diff --git a/opensearchpy/helpers/asyncsigner.py b/opensearchpy/helpers/asyncsigner.py
index c045f138..7008d984 100644
--- a/opensearchpy/helpers/asyncsigner.py
+++ b/opensearchpy/helpers/asyncsigner.py
@@ -9,6 +9,8 @@
 
 from typing import Any, Dict, Optional, Union
 
+from ..compat import unquote
+
 
 class AWSV4SignerAsyncAuth:
     """
@@ -56,7 +58,7 @@ def _sign_request(
         # create an AWS request object and sign it using SigV4Auth
         aws_request = AWSRequest(
             method=method,
-            url=url,
+            url=unquote(url),
             data=body,
         )