diff --git a/ironic/tests/conductor/utils.py b/ironic/tests/conductor/utils.py
index ae6a668955..a95cca9875 100644
--- a/ironic/tests/conductor/utils.py
+++ b/ironic/tests/conductor/utils.py
@@ -50,7 +50,14 @@ def get_mockable_extension_manager(driver, namespace):
             dispatch.NameDispatchExtensionManager('ironic.no-such-namespace',
                                                   lambda x: True)
     mock_ext_mgr = driver_factory.DriverFactory()
-    mock_ext = mock_ext_mgr._extension_manager._load_one_plugin(
+    try:
+        mock_ext = mock_ext_mgr._extension_manager._load_one_plugin(
+                                                     entry_point, True, [], {},
+                                                     False)
+    except TypeError:
+        # TODO(deva): remove this after I7f4cec7071 lands and stevedore is
+        #             pinned >= 0.14 in requirements.txt
+        mock_ext = mock_ext_mgr._extension_manager._load_one_plugin(
                                                      entry_point, True, [], {})
     mock_ext_mgr._extension_manager.extensions = [mock_ext]
     mock_ext_mgr._extension_manager.by_name = dict((e.name, e)