diff --git a/SAS/TMSS/client/lib/mains.py b/SAS/TMSS/client/lib/mains.py
index f858dfeb2eda20eaa4c62e5c6ccf04a1f0f86571..94e61740b32382bd9e3a10ea0c54fc57826fe322 100644
--- a/SAS/TMSS/client/lib/mains.py
+++ b/SAS/TMSS/client/lib/mains.py
@@ -246,7 +246,7 @@ def main_submit_trigger():
                 overrides['scheduling_constraints_doc']['time']['before'] = args.end_before
 
             if args.start_at:
-                overrides['overrides']['scheduling_constraints_doc']['time']['at'] = args.start_at
+                overrides['scheduling_constraints_doc']['time']['at'] = args.start_at
 
             pprint(session.submit_trigger(trigger_doc))
     except Exception as e: