diff --git a/tools/azure-devtools/src/azure_devtools/scenario_tests/patches.py b/tools/azure-devtools/src/azure_devtools/scenario_tests/patches.py
index 74c27927c29c..ba3d95c7d35a 100644
--- a/tools/azure-devtools/src/azure_devtools/scenario_tests/patches.py
+++ b/tools/azure-devtools/src/azure_devtools/scenario_tests/patches.py
@@ -34,4 +34,4 @@ def mock_in_unit_test(unit_test, target, replacement):
 
     mp = mock.patch(target, replacement)
     mp.__enter__()
-    unit_test.addCleanup(mp.__exit__)
+    unit_test.addCleanup(mp.__exit__, None, None, None)