diff --git a/temporal/workflow.py b/temporal/workflow.py
index fd1717a..54d60e0 100644
--- a/temporal/workflow.py
+++ b/temporal/workflow.py
@@ -52,7 +52,7 @@ class SimulationWorkflow:
         )
         
         
-        if "AhmJobId" in sim_data:
+        if sim_data.get("AhmJobId"):
             await workflow.execute_activity(
                 call_callback_ahm,
                 {