diff --git a/src/client/websocket/WebSocketManager.js b/src/client/websocket/WebSocketManager.js
index 43d3e7155..16cd3d69d 100644
--- a/src/client/websocket/WebSocketManager.js
+++ b/src/client/websocket/WebSocketManager.js
@@ -65,7 +65,7 @@ class WebSocketManager extends EventEmitter {
      * @type {Object}
      */
     this.disabledEvents = {};
-    for (const event in client.options.disabledEvents) this.disabledEvents[event] = true;
+    for (const event of client.options.disabledEvents) this.disabledEvents[event] = true;
 
     this.first = true;
   }