diff --git a/backend/app/crud/assessment/batch.py b/backend/app/crud/assessment/batch.py
index 7b5966d5e..b45603853 100644
--- a/backend/app/crud/assessment/batch.py
+++ b/backend/app/crud/assessment/batch.py
@@ -332,7 +332,7 @@ def build_google_jsonl(
 
         jsonl_data.append(
             {
-                "metadata": {"key": f"row_{idx}"},
+                "key": f"row_{idx}",
                 "request": request,
             }
         )