diff --git a/redis/commands/core.py b/redis/commands/core.py
index 3278c571f9..b07f12d854 100644
--- a/redis/commands/core.py
+++ b/redis/commands/core.py
@@ -3551,7 +3551,7 @@ def xclaim(
         groupname: GroupT,
         consumername: ConsumerT,
         min_idle_time: int,
-        message_ids: [List[StreamIdT], Tuple[StreamIdT]],
+        message_ids: Union[List[StreamIdT], Tuple[StreamIdT]],
         idle: Union[int, None] = None,
         time: Union[int, None] = None,
         retrycount: Union[int, None] = None,