diff --git a/src/ws/shard.ts b/src/ws/shard.ts
index 3e3303e5f..955371662 100644
--- a/src/ws/shard.ts
+++ b/src/ws/shard.ts
@@ -228,7 +228,8 @@ async function heartbeat(
           },
         },
       );
-      return shard.ws.send(JSON.stringify({ op: 4009 }));
+
+      return shard.ws.close(4009, "Session timed out");
     }
   }