diff --git a/ratelimit/rate_limit_manager.nim b/ratelimit/rate_limit_manager.nim
index 5aaacc5..d7e6997 100644
--- a/ratelimit/rate_limit_manager.nim
+++ b/ratelimit/rate_limit_manager.nim
@@ -65,7 +65,7 @@ proc getCapacityState[T: Serializable](
 
 proc passToSender[T: Serializable](
     manager: RateLimitManager[T],
-    msgs: seq[MsgIdMsg[T]],
+    msgs: sink seq[MsgIdMsg[T]],
     now: Moment,
     priority: Priority,
 ): Future[SendResult] {.async.} =