diff --git a/apiserver/plane/app/views/issue/base.py b/apiserver/plane/app/views/issue/base.py
index b1fd1a9bc..fad85b79d 100644
--- a/apiserver/plane/app/views/issue/base.py
+++ b/apiserver/plane/app/views/issue/base.py
@@ -447,7 +447,7 @@ class IssueViewSet(BaseViewSet):
             )
             datetime_fields = ["created_at", "updated_at"]
             issues = user_timezone_converter(
-                issue_queryset, datetime_fields, request.user.user_timezone
+                issues, datetime_fields, request.user.user_timezone
             )
         return Response(issues, status=status.HTTP_200_OK)
 
diff --git a/apiserver/plane/utils/user_timezone_converter.py b/apiserver/plane/utils/user_timezone_converter.py
index 579b96c26..c946cfb27 100644
--- a/apiserver/plane/utils/user_timezone_converter.py
+++ b/apiserver/plane/utils/user_timezone_converter.py
@@ -8,14 +8,14 @@ def user_timezone_converter(queryset, datetime_fields, user_timezone):
     if isinstance(queryset, dict):
         queryset_values = [queryset]
     else:
-        queryset_values = list(queryset.values())
+        queryset_values = list(queryset)
 
     # Iterate over the dictionaries in the list
     for item in queryset_values:
         # Iterate over the datetime fields
         for field in datetime_fields:
             # Convert the datetime field to the user's timezone
-            if item[field]:
+            if field in item and item[field]:
                 item[field] = item[field].astimezone(user_tz)
 
     # If queryset was a single item, return a single item