diff --git a/Web/js/main.js b/Web/js/main.js
index 4255a37..816cbc7 100644
--- a/Web/js/main.js
+++ b/Web/js/main.js
@@ -93,20 +93,25 @@ $(document).ready(function() {
   request.onsuccess = function() {
     var app = this.result[0];
     var latest = $.ajax({url:'manifest-web.webapp'});
-    latest.onload = function() {
-      if( this.response ) {
-        var lapp = JSON.parse(this.response);
-        alert(lapp.version);
-        alert(app.manifest.version);
-        if( lapp.version != app.manifest.version && 
-        confirm('A new version of this app is available, do you want to update? ' + app.manifest.version + ' to ' + lapp.version )) {
-          var ins = navigator.mozApps.install('http://mdibaiee.github.io/Sketchy/Web/manifest-web.webapp');
-          ins.onsuccess = function() {
-            alert('The app was installed successfuly');
-          }
-          ins.onerror = function() {
-            alert('There was an error installing app')
-            console.log(this.error);
+    var selfApp = navigator.mozApps.getSelf();
+    selfApp.onsuccess = function() {
+      if(this.result) {
+        latest.onload = function() {
+          if( this.response ) {
+            var lapp = JSON.parse(this.response);
+            alert(lapp.version);
+            alert(app.manifest.version);
+            if( lapp.version != app.manifest.version && 
+            confirm('A new version of this app is available, do you want to update? ' + app.manifest.version + ' to ' + lapp.version )) {
+              var ins = navigator.mozApps.install('http://mdibaiee.github.io/Sketchy/Web/manifest-web.webapp');
+              ins.onsuccess = function() {
+                alert('The app was installed successfuly');
+              }
+              ins.onerror = function() {
+                alert('There was an error installing app')
+                console.log(this.error);
+              }
+            }
           }
         }
       }