diff --git a/awx/main/tests/functional/models/test_inventory.py b/awx/main/tests/functional/models/test_inventory.py
index 4c16a83c6f..8a43e66ff9 100644
--- a/awx/main/tests/functional/models/test_inventory.py
+++ b/awx/main/tests/functional/models/test_inventory.py
@@ -20,7 +20,7 @@ class TestSCMUpdateFeatures:
             inventory=inventory,
             update_on_project_update=True,
             source='scm')
-        with mock.patch.object(inv_src.source_project, 'update') as mck_update:
+        with mock.patch.object(inv_src, 'update') as mck_update:
             inv_src.save()
             mck_update.assert_called_once_with()