diff --git a/12/index_test.html b/12/index_test.html
index c442b5a..4fb1039 100644
--- a/12/index_test.html
+++ b/12/index_test.html
@@ -241,13 +241,14 @@
             player(document.querySelector("#week_03"));
             player(document.querySelector("#week_02"));
             player(document.querySelector("#week_01"));  
-            liveplayer(document.querySelector("#week_04")); 
+            liveplayer(document.querySelector("#week_04"),document.querySelector("#iframe")); 
             document.querySelector("#iframe").addEventListener("load",function(){
             document.querySelector("#shell_03").classList.remove("hidden");                                                 
       });     
             document.querySelector("#iframe2").addEventListener("load",function(){
             document.querySelector("#etherpad").classList.remove("hidden");                                                 
-      });                                                          
+      });     
+            
           </script>
 
     </body>