diff --git a/apps/ac_ac/Customizer.html b/apps/ac_ac/Customizer.html
index f2387f9dd..f50def79b 100644
--- a/apps/ac_ac/Customizer.html
+++ b/apps/ac_ac/Customizer.html
@@ -300,7 +300,7 @@ console.log(AppSource)
 
       sendCustomizedApp({
         storage:[
-          {name:'ac-ac.app.js', url:'app.js', content:AppSource},
+          {name:'ac_ac.app.js', url:'app.js', content:AppSource},
         ]
       })
     }