diff --git a/src/client/websocket/WebSocketManager.js b/src/client/websocket/WebSocketManager.js
index da4d812bc..1770430fb 100644
--- a/src/client/websocket/WebSocketManager.js
+++ b/src/client/websocket/WebSocketManager.js
@@ -155,7 +155,7 @@ class WebSocketManager extends EventEmitter {
   }
 
   destroy() {
-    this.ws.close(1000);
+    if (this.ws) this.ws.close(1000);
     this._queue = [];
     this.status = Constants.Status.IDLE;
   }