diff --git a/test/client_staging_test.py b/test/client_staging_test.py
index 60714100feeb0fde997b773a44cbecbbb4480dd9..760893c0470f566bcb8222ee8494b76d408d8a4b 100644
--- a/test/client_staging_test.py
+++ b/test/client_staging_test.py
@@ -131,6 +131,7 @@ class MockClient(object):
 
     def __init__(self, temp_directory, tool):
         self.temp_directory = temp_directory
+        self.job_directory = None
         self.default_file_action = "transfer"
         self.action_config_path = None
         self.files_endpoint = None