diff --git a/src/apify/storage_clients/_apify/_request_queue_shared_client.py b/src/apify/storage_clients/_apify/_request_queue_shared_client.py
index eb2b43383..8257ec15d 100644
--- a/src/apify/storage_clients/_apify/_request_queue_shared_client.py
+++ b/src/apify/storage_clients/_apify/_request_queue_shared_client.py
@@ -216,7 +216,7 @@ async def mark_request_as_handled(self, request: Request) -> ProcessedRequest |
         if request.handled_at is None:
             request.handled_at = datetime.now(tz=timezone.utc)
 
-        if cached_request := self._requests_cache[request_id]:
+        if cached_request := self._requests_cache.get(request_id):
             cached_request.was_already_handled = request.was_already_handled
         try:
             # Update the request in the API