diff --git a/client/webrtc.js b/client/webrtc.js
index f9c0748..da10661 100755
--- a/client/webrtc.js
+++ b/client/webrtc.js
@@ -7,7 +7,7 @@ var serverConnection;
 
 var peerConnectionConfig = {
   'iceServers': [
-    {'urls': 'stun.stunprotocol.org:3478'},
+    {'urls': 'stun:stun.stunprotocol.org:3478'},
     {'urls': 'stun:stun.l.google.com:19302'},
   ]
 };