diff --git a/README.md b/README.md
index e86e905..b9f1021 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ function getIPs(callback){
     pc.createOffer(function(result){
 
         //trigger the stun server request
-        pc.setLocalDescription(result, function(){});
+        pc.setLocalDescription(result, function(){}, function(){});
 
     }, function(){});
 }
diff --git a/index.html b/index.html
index df13a34..5b6a750 100644
--- a/index.html
+++ b/index.html
@@ -69,7 +69,7 @@
                 pc.createOffer(function(result){
 
                     //trigger the stun server request
-                    pc.setLocalDescription(result, function(){});
+                    pc.setLocalDescription(result, function(){}, function(){});
 
                 }, function(){});
             }