From a8cabc6967c155e5b1817bf351336ad7e512393e Mon Sep 17 00:00:00 2001
From: ITOH <72305210+itohatweb@users.noreply.github.com>
Date: Thu, 15 Apr 2021 12:06:12 +0200
Subject: [PATCH] only close if open

---
 src/ws/tell_cluster_to_identify.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ws/tell_cluster_to_identify.ts b/src/ws/tell_cluster_to_identify.ts
index 5f3b86fab..99a5951eb 100644
--- a/src/ws/tell_cluster_to_identify.ts
+++ b/src/ws/tell_cluster_to_identify.ts
@@ -10,7 +10,7 @@ export async function tellClusterToIdentify(
   const oldShard = ws.shards.get(shardId);
   await ws.identify(shardId, ws.maxShards);
 
-  if (oldShard) {
+  if (oldShard?.ws.readyState === WebSocket.OPEN) {
     oldShard.ws.close(3065, "Resharded!");
   }
 }