diff --git a/server/planning/planning/planning.py b/server/planning/planning/planning.py
index 0ac13af90..8315e98e6 100644
--- a/server/planning/planning/planning.py
+++ b/server/planning/planning/planning.py
@@ -157,7 +157,7 @@ def on_create(self, docs):
             if is_ingested:
                 history_service.on_item_created([doc])
 
-            if event and strtobool(request.args.get("add_to_series", "false")):
+            if event and request and strtobool(request.args.get("add_to_series", "false")):
                 new_plans = self._add_planning_to_event_series(doc, event)
                 if is_ingested:
                     history_service.on_item_created(new_plans)