diff --git a/pyinfra/visitor.py b/pyinfra/visitor.py
index 767dce9..026eed4 100644
--- a/pyinfra/visitor.py
+++ b/pyinfra/visitor.py
@@ -141,7 +141,7 @@ class AggregationStorageStrategy(ResponseStrategy):
         analysis_payload : {data: ..., metadata: ...}
         """
 
-        storage_upload_info = {**request_metadata, "id": analysis_payload["metadata"].get("id", "0")}
+        storage_upload_info = {**request_metadata, "id": analysis_payload["metadata"].get("id", 0)}
 
         if analysis_payload["data"]:
             return self.put_object(json.dumps(analysis_payload).encode(), storage_upload_info)