diff --git a/unittests/test_crawler.py b/unittests/test_crawler.py
index 484cd360553667ad8588af8476636e8ff81942cf..91e0e86a6d6cf2967ab3567a2ef93b7ccde56e64 100644
--- a/unittests/test_crawler.py
+++ b/unittests/test_crawler.py
@@ -651,6 +651,8 @@ def test_validation_error_print(caplog):
         caplog.clear()
 
 
+@patch("caoscrawler.identifiable_adapters.get_children_of_rt",
+       new=Mock(side_effect=lambda x: [x]))
 def test_split_into_inserts_and_updates_backref(crawler_mocked_for_backref_test):
     crawler = crawler_mocked_for_backref_test
     identlist = [Identifiable(name="A", record_type="BR"),