diff --git a/alab_management/resource_manager/resource_requester.py b/alab_management/resource_manager/resource_requester.py
index ced4c4ad..3c5de40b 100644
--- a/alab_management/resource_manager/resource_requester.py
+++ b/alab_management/resource_manager/resource_requester.py
@@ -244,7 +244,7 @@ def request_resources(
         except concurrent.futures.TimeoutError as e:
             # if the request is not fulfilled, cancel it to make sure the resources are released
             request = self._request_collection.find_one_and_update({
-                "_id": result.inserted_id,
+                "_id": _id,
                 "status": {"$ne": RequestStatus.FULFILLED.name}
             }, {
                 "$set": {