diff --git a/dispatcher/backend/src/routes/schedules/schedule.py b/dispatcher/backend/src/routes/schedules/schedule.py
index 1502a89d..90ef3c69 100644
--- a/dispatcher/backend/src/routes/schedules/schedule.py
+++ b/dispatcher/backend/src/routes/schedules/schedule.py
@@ -382,6 +382,9 @@ def post(self, schedule_name: str, token: AccessToken.Payload, session: so.Sessi
         )
         clone.durations.append(duration)
 
-        session.flush()
+        try:
+            session.flush()
+        except IntegrityError:
+            raise BadRequest("Schedule name already exists")
 
         return make_response(jsonify({"_id": str(clone.id)}), HTTPStatus.CREATED)