diff --git a/README.md b/README.md
index b1d7e52..319919a 100644
--- a/README.md
+++ b/README.md
@@ -55,22 +55,24 @@ function getIPs(callback){
     //construct a new RTCPeerConnection
     var pc = new RTCPeerConnection(servers, mediaConstraints);
 
+    function handleCandidate(candidate){
+        //match just the IP address
+        var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
+        var ip_addr = ip_regex.exec(candidate)[1];
+
+        //remove duplicates
+        if(ip_dups[ip_addr] === undefined)
+            callback(ip_addr);
+
+        ip_dups[ip_addr] = true;
+    }
+
     //listen for candidate events
     pc.onicecandidate = function(ice){
 
         //skip non-candidate events
-        if(ice.candidate){
-
-            //match just the IP address
-            var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
-            var ip_addr = ip_regex.exec(ice.candidate.candidate)[1];
-
-            //remove duplicates
-            if(ip_dups[ip_addr] === undefined)
-                callback(ip_addr);
-
-            ip_dups[ip_addr] = true;
-        }
+        if(ice.candidate)
+            handleCandidate(ice.candidate.candidate);
     };
 
     //create a bogus data channel
@@ -83,6 +85,18 @@ function getIPs(callback){
         pc.setLocalDescription(result, function(){}, function(){});
 
     }, function(){});
+
+    //wait for a while to let everything done
+    setTimeout(function() {
+        //read candidate info from local description
+        var lines = pc.localDescription.sdp.split('\n');
+
+        lines.forEach(function(line) {
+            if (line.startsWith('a=candidate:')) {
+                handleCandidate(line);
+            }
+        });
+    }, 1000);
 }
 
 //Test: Print the IP addresses into the console
diff --git a/index.html b/index.html
index d5c563f..02a47c0 100644
--- a/index.html
+++ b/index.html
@@ -62,22 +62,24 @@
                 //construct a new RTCPeerConnection
                 var pc = new RTCPeerConnection(servers, mediaConstraints);
 
+                function handleCandidate(candidate){
+                    //match just the IP address
+                    var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
+                    var ip_addr = ip_regex.exec(candidate)[1];
+
+                    //remove duplicates
+                    if(ip_dups[ip_addr] === undefined)
+                        callback(ip_addr);
+
+                    ip_dups[ip_addr] = true;
+                }
+
                 //listen for candidate events
                 pc.onicecandidate = function(ice){
 
                     //skip non-candidate events
-                    if(ice.candidate){
-
-                        //match just the IP address
-                        var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3})/
-                        var ip_addr = ip_regex.exec(ice.candidate.candidate)[1];
-
-                        //remove duplicates
-                        if(ip_dups[ip_addr] === undefined)
-                            callback(ip_addr);
-
-                        ip_dups[ip_addr] = true;
-                    }
+                    if(ice.candidate)
+                        handleCandidate(ice.candidate.candidate);
                 };
 
                 //create a bogus data channel
@@ -90,6 +92,17 @@
                     pc.setLocalDescription(result, function(){}, function(){});
 
                 }, function(){});
+
+                //wait for a while to let everything done
+                setTimeout(function(){
+                    //read candidate info from local description
+                    var lines = pc.localDescription.sdp.split('\n');
+
+                    lines.forEach(function(line){
+                        if(line.startsWith('a=candidate:'))
+                            handleCandidate(line);
+                    });
+                }, 1000);
             }
 
             //insert IP addresses into the page