diff --git a/12/index.html b/12/index.html
index b793926..65f24a5 100644
--- a/12/index.html
+++ b/12/index.html
@@ -282,7 +282,7 @@
          
             document.querySelector("#implicancies_05 .etherpadlink").addEventListener("click",function(e){
                 console.log("click", e);
-                document.querySelector("#week_05 .resources_iframe").classList.toggle("hidden");                                                 
+                document.querySelector("#implicancies_05 .etherpad_iframe").parentNode.classList.toggle("hidden");                                                 
             });