diff --git a/ocs_ci/ocs/bucket_utils.py b/ocs_ci/ocs/bucket_utils.py
index af8c0782fd2..348a14a74c2 100644
--- a/ocs_ci/ocs/bucket_utils.py
+++ b/ocs_ci/ocs/bucket_utils.py
@@ -1786,7 +1786,7 @@ def s3_list_objects_v2(
     max_keys=1000,
     con_token="",
     fetch_owner=False,
-    start_after=None,
+    start_after="",
 ):
     """
     Boto3 client based list object version2