diff --git a/packages/ws/src/utils/shard-util.ts b/packages/ws/src/utils/shard-util.ts
index 1e38732..43dd934 100644
--- a/packages/ws/src/utils/shard-util.ts
+++ b/packages/ws/src/utils/shard-util.ts
@@ -6,7 +6,7 @@ export async function checkOffline(
 	shard: Shard,
 	highPriority: boolean
 ): Promise<void> {
-	if (!shard.ready()) {
+	if (!shard.isOpen()) {
 		await new Promise(resolve => {
 			if (highPriority) {
 				shard.offlineSendQueue.unshift(resolve);