diff --git a/passerelle/contrib/toulouse_maelis/models.py b/passerelle/contrib/toulouse_maelis/models.py
index c3df9341..76bcbcd0 100644
--- a/passerelle/contrib/toulouse_maelis/models.py
+++ b/passerelle/contrib/toulouse_maelis/models.py
@@ -89,7 +89,7 @@ class ToulouseMaelis(BaseResource, HTTPResource):
 
     def update_referential(self, referential_name, data, id_key, text_key):
         last_update = now()
-        for item in data:
+        for item in data or []:
             text = item[text_key] or ''
             if isinstance(text, int):
                 text = str(text)
diff --git a/tests/data/toulouse_maelis/R_read_ape_indicator_list_empty.xml b/tests/data/toulouse_maelis/R_read_ape_indicator_list_empty.xml
new file mode 100644
index 00000000..1f858b26
--- /dev/null
+++ b/tests/data/toulouse_maelis/R_read_ape_indicator_list_empty.xml
@@ -0,0 +1,7 @@
+<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
+  <soap:Body>
+    <ns2:readApeIndicatorListResponse xmlns:ns2="ape.ws.maelis.sigec.com">
+      <result/>
+    </ns2:readApeIndicatorListResponse>
+  </soap:Body>
+</soap:Envelope>
diff --git a/tests/test_toulouse_maelis.py b/tests/test_toulouse_maelis.py
index 7b7bde55..79582f53 100644
--- a/tests/test_toulouse_maelis.py
+++ b/tests/test_toulouse_maelis.py
@@ -350,6 +350,20 @@ def test_update_referential(mocked_get, con):
     assert con.referential.filter(referential_name='Category').count() == 2
 
 
+@mock.patch('passerelle.utils.Request.get')
+def test_update_referential_empty(mocked_get, con):
+    mocked_get.return_value = APE_SERVICE_WSDL
+    assert len(Referential.objects.filter(referential_name='ApeIndicator')) == 3
+
+    with mock.patch('passerelle.utils.Request.post') as mocked_post:
+        mocked_post.return_value = FakedResponse(
+            content=get_xml_file('R_read_ape_indicator_list_empty.xml'), status_code=200
+        )
+        data = con.get_referential_data('Ape', 'ApeIndicator')
+        con.update_referential('ApeIndicator', data, 'level', 'level')
+        assert len(Referential.objects.filter(referential_name='ApeIndicator')) == 0
+
+
 def test_cron(db):
     assert Referential.objects.filter(referential_name='Category').count() == 3
     assert sorted(list({x.referential_name for x in Referential.objects.all()})) == [