diff --git a/ecs/crm-datafetch/src/aws/s3.py b/ecs/crm-datafetch/src/aws/s3.py
index 2501ce94..580be5c2 100644
--- a/ecs/crm-datafetch/src/aws/s3.py
+++ b/ecs/crm-datafetch/src/aws/s3.py
@@ -23,7 +23,7 @@ class S3Client:
         return body.decode(S3_CHAR_CODE)
 
     def put_object(self, object_key: str, local_file_path: str) -> None:
-        self.__s3_client.upload_file(Filename=local_file_path, Bucket=self.__bucket_name, Key=object_key)
+        self.__s3_client.upload_file(Filename=local_file_path, Bucket=self.__s3_bucket, Key=object_key)
         return
 
     def copy(self, src_bucket: str, src_key: str, dest_bucket: str, dest_key: str) -> None: