diff --git a/System/Snowflake.php b/System/Snowflake.php
index 3088272d..6d688b91 100644
--- a/System/Snowflake.php
+++ b/System/Snowflake.php
@@ -378,7 +378,7 @@ class Snowflake
 	public static function getWebSocket(): ?Server
 	{
 		$server = static::app()->getSwoole();
-		if (!($server instanceof Server)) {
+		if (!($server instanceof \Swoole\Server)) {
 			return null;
 		}
 		return $server;