diff --git a/lingo/api/serializers.py b/lingo/api/serializers.py
index 7ff4cc0..7518f18 100644
--- a/lingo/api/serializers.py
+++ b/lingo/api/serializers.py
@@ -22,6 +22,7 @@ from rest_framework.exceptions import ValidationError
 
 from lingo.agendas.chrono import ChronoError, get_events
 from lingo.agendas.models import Agenda
+from lingo.invoicing.models import InjectedLine, Regie
 from lingo.pricing.models import AgendaPricing, AgendaPricingNotFound, PricingError
 
 
@@ -234,3 +235,21 @@ class PricingComputeSerializer(serializers.Serializer):
             result['error'] = type(e).__name__
             result['error_details'] = e.details
             return result
+
+
+class InjectedLineSerializer(serializers.ModelSerializer):
+    regie = serializers.SlugRelatedField(queryset=Regie.objects, slug_field='slug')
+
+    class Meta:
+        model = InjectedLine
+        fields = [
+            'event_date',
+            'slug',
+            'label',
+            'quantity',
+            'unit_amount',
+            'total_amount',
+            'user_external_id',
+            'payer_external_id',
+            'regie',
+        ]
diff --git a/lingo/api/urls.py b/lingo/api/urls.py
index 63c8695..68150b0 100644
--- a/lingo/api/urls.py
+++ b/lingo/api/urls.py
@@ -34,4 +34,9 @@ urlpatterns = [
         views.invoicing_regies,
         name='api-invoicing-regies',
     ),
+    path(
+        'invoicing/injected-lines/',
+        views.injected_lines,
+        name='api-invoicing-injected-lines',
+    ),
 ]
diff --git a/lingo/api/views.py b/lingo/api/views.py
index 1e4848e..7921f45 100644
--- a/lingo/api/views.py
+++ b/lingo/api/views.py
@@ -22,7 +22,7 @@ from rest_framework.views import APIView
 from lingo.agendas.models import Agenda
 from lingo.api import serializers
 from lingo.api.utils import APIErrorBadRequest, Response
-from lingo.invoicing.models import Regie
+from lingo.invoicing.models import InjectedLine, Regie
 
 
 class AgendaCheckTypeList(APIView):
@@ -73,3 +73,19 @@ class InvoicingRegies(APIView):
 
 
 invoicing_regies = InvoicingRegies.as_view()
+
+
+class InjectedLines(APIView):
+    permission_classes = (permissions.IsAuthenticated,)
+    serializer_class = serializers.InjectedLineSerializer
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data)
+        if not serializer.is_valid():
+            raise APIErrorBadRequest(N_('invalid payload'), errors=serializer.errors)
+
+        instance = InjectedLine.objects.create(**serializer.validated_data)
+        return Response({'err': 0, 'id': instance.pk})
+
+
+injected_lines = InjectedLines.as_view()
diff --git a/lingo/invoicing/migrations/0008_injected_line.py b/lingo/invoicing/migrations/0008_injected_line.py
new file mode 100644
index 0000000..d12a2df
--- /dev/null
+++ b/lingo/invoicing/migrations/0008_injected_line.py
@@ -0,0 +1,47 @@
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('invoicing', '0007_pool_exception'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='InjectedLine',
+            fields=[
+                (
+                    'id',
+                    models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+                ),
+                ('event_date', models.DateField()),
+                ('slug', models.SlugField(max_length=250)),
+                ('label', models.CharField(max_length=260)),
+                ('quantity', models.FloatField()),
+                ('unit_amount', models.DecimalField(decimal_places=2, max_digits=9)),
+                ('total_amount', models.DecimalField(decimal_places=2, max_digits=9)),
+                ('user_external_id', models.CharField(max_length=250)),
+                ('payer_external_id', models.CharField(max_length=250)),
+                (
+                    'regie',
+                    models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='invoicing.Regie'),
+                ),
+            ],
+        ),
+        migrations.AddField(
+            model_name='draftinvoiceline',
+            name='from_injected_line',
+            field=models.ForeignKey(
+                null=True, on_delete=django.db.models.deletion.PROTECT, to='invoicing.InjectedLine'
+            ),
+        ),
+        migrations.AddField(
+            model_name='invoiceline',
+            name='from_injected_line',
+            field=models.ForeignKey(
+                null=True, on_delete=django.db.models.deletion.PROTECT, to='invoicing.InjectedLine'
+            ),
+        ),
+    ]
diff --git a/lingo/invoicing/models.py b/lingo/invoicing/models.py
index 89b955e..04b131f 100644
--- a/lingo/invoicing/models.py
+++ b/lingo/invoicing/models.py
@@ -194,6 +194,19 @@ class Invoice(AbstractInvoice):
     pass
 
 
+class InjectedLine(models.Model):
+    event_date = models.DateField()
+    slug = models.SlugField(max_length=250)
+    label = models.CharField(max_length=260)
+    quantity = models.FloatField()
+    unit_amount = models.DecimalField(max_digits=9, decimal_places=2)
+    total_amount = models.DecimalField(max_digits=9, decimal_places=2)
+
+    user_external_id = models.CharField(max_length=250)
+    payer_external_id = models.CharField(max_length=250)
+    regie = models.ForeignKey(Regie, on_delete=models.PROTECT)
+
+
 class AbstractInvoiceLine(models.Model):
     slug = models.SlugField(max_length=250)
     label = models.CharField(max_length=260)
@@ -274,7 +287,9 @@ class AbstractInvoiceLine(models.Model):
 
 class DraftInvoiceLine(AbstractInvoiceLine):
     invoice = models.ForeignKey(DraftInvoice, on_delete=models.PROTECT, null=True, related_name='lines')
+    from_injected_line = models.ForeignKey(InjectedLine, on_delete=models.PROTECT, null=True)
 
 
 class InvoiceLine(AbstractInvoiceLine):
     invoice = models.ForeignKey(Invoice, on_delete=models.PROTECT, null=True, related_name='lines')
+    from_injected_line = models.ForeignKey(InjectedLine, on_delete=models.PROTECT, null=True)
diff --git a/lingo/invoicing/templates/lingo/invoicing/manager_pool_detail.html b/lingo/invoicing/templates/lingo/invoicing/manager_pool_detail.html
index d84e050..e7077be 100644
--- a/lingo/invoicing/templates/lingo/invoicing/manager_pool_detail.html
+++ b/lingo/invoicing/templates/lingo/invoicing/manager_pool_detail.html
@@ -33,7 +33,7 @@
         <th>{% trans "PK" %}</th>
         <th>{% trans "Invoice PK" %}</th>
         <th>{% trans "Label" %}</th>
-        <th>{% trans "Event" %}</th>
+        <th>{% trans "Slug" %}</th>
         <th>{% trans "Quantity" %}</th>
         <th>{% trans "Unit amount" %}</th>
         <th>{% trans "Total amount" %}</th>
@@ -49,7 +49,7 @@
           <td class="line_id">{{ line.pk }}</td>
           <td>{{ line.invoice_id|default:'' }}</td>
           <td>{{ line.label }}</td>
-          <td>{{ line.event.slug }}</td>
+          <td>{{ line.slug }}</td>
           <td>{{ line.quantity }}</td>
           <td>{{ line.unit_amount }}</td>
           <td>{{ line.total_amount }}</td>
@@ -58,6 +58,7 @@
           <td class="status">
             <span class="tag tag-{{ line.status }}">{{ line.get_status_display }}</span>
             {% if line.status != 'success' %}({{ line.get_error_display }}){% endif %}
+            {% if line.from_injected_line_id %}({% trans "Injected" %}){% endif %}
           </td>
           <td><a class="details-toggle">{% trans "see details" %}</a></td>
         </tr>
diff --git a/lingo/invoicing/utils.py b/lingo/invoicing/utils.py
index fd843b0..f8ee024 100644
--- a/lingo/invoicing/utils.py
+++ b/lingo/invoicing/utils.py
@@ -22,7 +22,7 @@ from django.utils.translation import ugettext_lazy as _
 
 from lingo.agendas.chrono import get_check_status, get_subscriptions
 from lingo.agendas.models import Agenda
-from lingo.invoicing.models import DraftInvoice, DraftInvoiceLine, RegieNotConfigured
+from lingo.invoicing.models import DraftInvoice, DraftInvoiceLine, InjectedLine, RegieNotConfigured
 from lingo.pricing.models import AgendaPricing, AgendaPricingNotFound, PricingError
 
 
@@ -134,7 +134,44 @@ def get_invoice_lines_for_user(agendas, agendas_pricings, user_external_id, pool
                     pool=pool,
                 )
             )
+
+    # fetch injected lines
+    injected_lines = (
+        InjectedLine.objects.filter(
+            event_date__gte=pool.campaign.date_start,
+            event_date__lt=pool.campaign.date_end,
+            user_external_id=user_external_id,
+        )
+        .exclude(
+            # exclude already invoiced lines
+            invoiceline__isnull=False
+        )
+        .exclude(
+            # exclude lines used in another campaign
+            pk__in=DraftInvoiceLine.objects.filter(from_injected_line__isnull=False)
+            .exclude(pool__campaign=pool.campaign)
+            .values('from_injected_line')
+        )
+    )
+
+    for injected_line in injected_lines:
+        lines.append(
+            DraftInvoiceLine(
+                slug=injected_line.slug,
+                label=injected_line.label,
+                quantity=injected_line.quantity,
+                unit_amount=injected_line.unit_amount,
+                total_amount=injected_line.total_amount,
+                user_external_id=injected_line.user_external_id,
+                payer_external_id=injected_line.user_external_id,
+                status='success',
+                pool=pool,
+                from_injected_line=injected_line,
+            )
+        )
+
     DraftInvoiceLine.objects.bulk_create(lines)
+
     return lines
 
 
@@ -169,13 +206,16 @@ def generate_invoices_from_lines(agendas, all_lines, pool):
         if line.status != 'success':
             # ignore lines in error
             continue
-        agenda_slug = line.event['agenda']
-        if agenda_slug not in agendas_by_slug:
-            # should not happen
-            continue
-        regie = agendas_by_slug[agenda_slug].regie
-        if not regie:
-            raise RegieNotConfigured(_('Regie not configured on %s') % agenda_slug)
+        if line.from_injected_line:
+            regie = line.from_injected_line.regie
+        else:
+            agenda_slug = line.event['agenda']
+            if agenda_slug not in agendas_by_slug:
+                # should not happen
+                continue
+            regie = agendas_by_slug[agenda_slug].regie
+            if not regie:
+                raise RegieNotConfigured(_('Regie not configured on %s') % agenda_slug)
         if regie.pk not in lines_by_regie:
             lines_by_regie[regie.pk] = {}
         regie_subs = lines_by_regie[regie.pk]
diff --git a/tests/api/test_invoicing.py b/tests/api/test_invoicing.py
index 5538a0b..6d5fef9 100644
--- a/tests/api/test_invoicing.py
+++ b/tests/api/test_invoicing.py
@@ -1,6 +1,8 @@
+import datetime
+
 import pytest
 
-from lingo.invoicing.models import Regie
+from lingo.invoicing.models import InjectedLine, Regie
 
 pytestmark = pytest.mark.django_db
 
@@ -22,3 +24,51 @@ def test_regies(app, user):
         {'id': 'bar', 'text': 'Bar', 'slug': 'bar'},
         {'id': 'foo', 'text': 'Foo', 'slug': 'foo'},
     ]
+
+
+def test_add_injected_line(app, user):
+    app.post('/api/invoicing/injected-lines/', status=403)
+    app.authorization = ('Basic', ('john.doe', 'password'))
+
+    resp = app.post('/api/invoicing/injected-lines/', status=400)
+    assert resp.json['err']
+    assert resp.json['errors'] == {
+        'event_date': ['This field is required.'],
+        'slug': ['This field is required.'],
+        'label': ['This field is required.'],
+        'quantity': ['This field is required.'],
+        'unit_amount': ['This field is required.'],
+        'total_amount': ['This field is required.'],
+        'user_external_id': ['This field is required.'],
+        'payer_external_id': ['This field is required.'],
+        'regie': ['This field is required.'],
+    }
+
+    params = {
+        'event_date': '2023-01-17',
+        'slug': 'foobar',
+        'label': 'Foo Bar',
+        'quantity': 42,
+        'unit_amount': 2,
+        'total_amount': 64,
+        'user_external_id': 'user:1',
+        'payer_external_id': 'payer:1',
+        'regie': 'foo',
+    }
+    resp = app.post('/api/invoicing/injected-lines/', params=params, status=400)
+    assert resp.json['err']
+    assert resp.json['errors'] == {'regie': ['Object with slug=foo does not exist.']}
+
+    regie = Regie.objects.create(slug='foo')
+    resp = app.post('/api/invoicing/injected-lines/', params=params)
+    assert resp.json['err'] == 0
+    injected_line = InjectedLine.objects.get(pk=resp.json['id'])
+    assert injected_line.event_date == datetime.date(2023, 1, 17)
+    assert injected_line.slug == 'foobar'
+    assert injected_line.label == 'Foo Bar'
+    assert injected_line.quantity == 42
+    assert injected_line.unit_amount == 2
+    assert injected_line.total_amount == 64
+    assert injected_line.user_external_id == 'user:1'
+    assert injected_line.payer_external_id == 'payer:1'
+    assert injected_line.regie == regie
diff --git a/tests/invoicing/test_invoice_generation.py b/tests/invoicing/test_invoice_generation.py
index 825c13d..4426b8f 100644
--- a/tests/invoicing/test_invoice_generation.py
+++ b/tests/invoicing/test_invoice_generation.py
@@ -10,7 +10,16 @@ from django.test.utils import CaptureQueriesContext
 from lingo.agendas.chrono import ChronoError
 from lingo.agendas.models import Agenda
 from lingo.invoicing import utils
-from lingo.invoicing.models import Campaign, DraftInvoice, DraftInvoiceLine, Pool, Regie, RegieNotConfigured
+from lingo.invoicing.models import (
+    Campaign,
+    DraftInvoice,
+    DraftInvoiceLine,
+    InjectedLine,
+    InvoiceLine,
+    Pool,
+    Regie,
+    RegieNotConfigured,
+)
 from lingo.pricing.models import AgendaPricing, Criteria, CriteriaCategory, Pricing, PricingError
 
 pytestmark = pytest.mark.django_db
@@ -200,6 +209,7 @@ def test_get_invoice_lines_for_user_check_status_error(mock_status):
 @mock.patch('lingo.invoicing.utils.get_check_status')
 @mock.patch('lingo.pricing.models.AgendaPricing.get_pricing_data_for_event')
 def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_status):
+    regie = Regie.objects.create(label='Regie')
     agenda1 = Agenda.objects.create(label='Agenda 1')
     agenda2 = Agenda.objects.create(label='Agenda 2')
     pricing = Pricing.objects.create(label='Foo bar 1')
@@ -214,10 +224,126 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
         date_end=datetime.date(2022, 10, 1),
         date_issue=datetime.date(2022, 10, 31),
     )
+    old_pool = Pool.objects.create(
+        campaign=campaign,
+        draft=True,
+    )
     pool = Pool.objects.create(
         campaign=campaign,
         draft=True,
     )
+    other_campaign = Campaign.objects.create(
+        date_start=datetime.date(2022, 9, 1),
+        date_end=datetime.date(2022, 10, 1),
+        date_issue=datetime.date(2022, 10, 31),
+    )
+    other_pool = Pool.objects.create(
+        campaign=other_campaign,
+        draft=True,
+    )
+
+    # create some injected lines
+    InjectedLine.objects.create(
+        event_date=datetime.date(2022, 8, 31),  # too soon
+        slug='event-2022-08-31',
+        label='Event 2022-08-31',
+        quantity=2,
+        unit_amount=1.5,
+        total_amount=3,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    injected_line2 = InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 1),
+        slug='event-2022-09-01',
+        label='Event 2022-09-01',
+        quantity=2,
+        unit_amount=1.5,
+        total_amount=3,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    # ok, same campaign
+    DraftInvoiceLine.objects.create(
+        quantity=0,
+        unit_amount=0,
+        total_amount=0,
+        pool=old_pool,
+        from_injected_line=injected_line2,
+    )
+    InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 2),
+        slug='event-2022-09-02',
+        label='Event 2022-09-02',
+        quantity=2,
+        unit_amount=1.5,
+        total_amount=3,
+        user_external_id='user:2',  # wrong user
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    injected_line4 = InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 30),
+        slug='event-2022-09-30',
+        label='Event 2022-09-30',
+        quantity=3,
+        unit_amount=1.5,
+        total_amount=4.5,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    InjectedLine.objects.create(
+        event_date=datetime.date(2022, 10, 1),  # too late
+        slug='event-2022-10-01',
+        label='Event 2022-10-01',
+        quantity=2,
+        unit_amount=1.5,
+        total_amount=3,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    injected_line6 = InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 15),
+        slug='event-2022-09-15',
+        label='Event 2022-09-15',
+        quantity=3,
+        unit_amount=1.5,
+        total_amount=4.5,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    # nok, already invoiced
+    InvoiceLine.objects.create(
+        quantity=0,
+        unit_amount=0,
+        total_amount=0,
+        pool=old_pool,
+        from_injected_line=injected_line6,
+    )
+    injected_line7 = InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 16),
+        slug='event-2022-09-15',
+        label='Event 2022-09-15',
+        quantity=3,
+        unit_amount=1.5,
+        total_amount=4.5,
+        user_external_id='user:1',
+        payer_external_id='payer:1',
+        regie=regie,
+    )
+    # nok, other campaign
+    DraftInvoiceLine.objects.create(
+        quantity=0,
+        unit_amount=0,
+        total_amount=0,
+        pool=other_pool,
+        from_injected_line=injected_line7,
+    )
 
     # no agendas
     assert (
@@ -234,15 +360,13 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
 
     # no status
     mock_status.return_value = []
-    assert (
-        utils.get_invoice_lines_for_user(
-            agendas=[agenda1, agenda2],
-            agendas_pricings=[agenda_pricing],
-            user_external_id='user:1',
-            pool=pool,
-        )
-        == []
+    lines = utils.get_invoice_lines_for_user(
+        agendas=[agenda1, agenda2],
+        agendas_pricings=[agenda_pricing],
+        user_external_id='user:1',
+        pool=pool,
     )
+    assert len(lines) == 2  # injected lines
     assert mock_status.call_args_list == [
         mock.call(
             agenda_slugs=['agenda-1', 'agenda-2'],
@@ -365,8 +489,8 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
             adult_external_id='user:1',
         ),
     ]
-    assert len(lines) == 4
-    line1, line2, line3, line4 = lines
+    assert len(lines) == 6
+    line1, line2, line3, line4, line5, line6 = lines
     assert isinstance(line1, DraftInvoiceLine)
     assert line1.invoice is None
     assert line1.slug == 'agenda-1@event-1'
@@ -385,6 +509,7 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
     assert line1.pricing_data == {'foo1': 'bar1', 'pricing': 1}
     assert line1.status == 'success'
     assert line1.pool == pool
+    assert line1.from_injected_line is None
     assert isinstance(line2, DraftInvoiceLine)
     assert line2.invoice is None
     assert line2.slug == 'agenda-1@event-2'
@@ -403,6 +528,7 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
     assert line2.pricing_data == {'foo2': 'bar2', 'pricing': 2}
     assert line2.status == 'success'
     assert line2.pool == pool
+    assert line2.from_injected_line is None
     assert isinstance(line3, DraftInvoiceLine)
     assert line3.invoice is None
     assert line3.slug == 'agenda-2@eveeent-1'
@@ -421,6 +547,7 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
     assert line3.pricing_data == {'foo3': 'bar3', 'pricing': 3}
     assert line3.status == 'success'
     assert line3.pool == pool
+    assert line3.from_injected_line is None
     assert isinstance(line4, DraftInvoiceLine)
     assert line4.invoice is None
     assert line4.slug == 'agenda-2@eveeent-2'
@@ -439,6 +566,35 @@ def test_get_invoice_lines_for_user_check_status(mock_pricing_data_event, mock_s
     assert line4.pricing_data == {'foo4': 'bar4', 'pricing': 4}
     assert line4.status == 'success'
     assert line4.pool == pool
+    assert line4.from_injected_line is None
+    assert isinstance(line5, DraftInvoiceLine)
+    assert line5.invoice is None
+    assert line5.slug == 'event-2022-09-01'
+    assert line5.label == 'Event 2022-09-01'
+    assert line5.quantity == 2
+    assert line5.unit_amount == 1.5
+    assert line5.total_amount == 3
+    assert line5.user_external_id == 'user:1'
+    assert line5.payer_external_id == 'user:1'
+    assert line5.event == {}
+    assert line5.pricing_data == {}
+    assert line5.status == 'success'
+    assert line5.pool == pool
+    assert line5.from_injected_line == injected_line2
+    assert isinstance(line6, DraftInvoiceLine)
+    assert line6.invoice is None
+    assert line6.slug == 'event-2022-09-30'
+    assert line6.label == 'Event 2022-09-30'
+    assert line6.quantity == 3
+    assert line6.unit_amount == 1.5
+    assert line6.total_amount == 4.5
+    assert line6.user_external_id == 'user:1'
+    assert line6.payer_external_id == 'user:1'
+    assert line6.event == {}
+    assert line6.pricing_data == {}
+    assert line6.status == 'success'
+    assert line6.pool == pool
+    assert line6.from_injected_line == injected_line4
 
 
 @mock.patch('lingo.invoicing.utils.get_check_status')
@@ -866,7 +1022,7 @@ def test_get_all_invoice_lines_queryset(mock_status):
             pool=pool,
         )
         assert lines
-        assert len(ctx.captured_queries) == 7
+        assert len(ctx.captured_queries) == 9
 
 
 def test_generate_invoices_from_lines():
@@ -967,6 +1123,27 @@ def test_generate_invoices_from_lines():
         status='success',
         pool=pool,
     )
+    injected_line = InjectedLine.objects.create(
+        event_date=datetime.date(2022, 9, 1),
+        slug='event-2022-09-01',
+        label='Event 2022-09-01',
+        quantity=1,
+        unit_amount=7,
+        total_amount=7,
+        user_external_id='user:1',
+        payer_external_id='user:1',
+        regie=regie1,
+    )
+    line7 = DraftInvoiceLine.objects.create(
+        quantity=1,
+        unit_amount=7,
+        total_amount=7,
+        user_external_id='user:1',
+        payer_external_id='user:1',
+        status='success',
+        pool=pool,
+        from_injected_line=injected_line,
+    )
 
     invoices = utils.generate_invoices_from_lines(
         agendas=[],
@@ -987,7 +1164,7 @@ def test_generate_invoices_from_lines():
     line6.delete()
     invoices = utils.generate_invoices_from_lines(
         agendas=[agenda1, agenda2, agenda3, agenda4],
-        all_lines=[line_error, line1, line2, line3, line4, line5],
+        all_lines=[line_error, line1, line2, line3, line4, line5, line7],
         pool=pool,
     )
     assert len(invoices) == 3
@@ -998,12 +1175,12 @@ def test_generate_invoices_from_lines():
     invoice3.refresh_from_db()
     assert isinstance(invoice1, DraftInvoice)
     assert invoice1.label == 'Invoice from 2022-09-01 to 2022-09-30'
-    assert invoice1.total_amount == 8
+    assert invoice1.total_amount == 15
     assert invoice1.date_issue == datetime.date(2022, 10, 31)
     assert invoice1.regie == regie1
     assert invoice1.payer == 'user:1'
     assert invoice1.pool == pool
-    assert list(invoice1.lines.order_by('pk')) == [line1, line2, line5]
+    assert list(invoice1.lines.order_by('pk')) == [line1, line2, line5, line7]
     assert isinstance(invoice2, DraftInvoice)
     assert invoice2.label == 'Invoice from 2022-09-01 to 2022-09-30'
     assert invoice2.total_amount == 3
diff --git a/tests/invoicing/test_models.py b/tests/invoicing/test_models.py
index 4df6d4c..7790a31 100644
--- a/tests/invoicing/test_models.py
+++ b/tests/invoicing/test_models.py
@@ -70,6 +70,7 @@ def test_invoice_total_amount(draft):
     assert invoice2.total_amount == 0
 
     # update total_amount
+    line.status = 'success'
     line.total_amount = 12
     line.save()
     invoice.refresh_from_db()