diff --git a/lib/transports/websocket.js b/lib/transports/websocket.js
index adcfd6cfb1..e1e48b50f0 100644
--- a/lib/transports/websocket.js
+++ b/lib/transports/websocket.js
@@ -99,7 +99,7 @@ WS.prototype.doOpen = function () {
   try {
     this.ws = BrowserWebSocket ? new WebSocket(uri) : new WebSocket(uri, protocols, opts);
   } catch (err) {
-    return this.emit('error', err)
+    return this.emit('error', err);
   }
 
   if (this.ws.binaryType === undefined) {