diff --git a/12/index.html b/12/index.html
index d499129..3b74b54 100644
--- a/12/index.html
+++ b/12/index.html
@@ -39,7 +39,7 @@
     </div>
   </div>
   <div id="implicancies_05">
-    <div id="shell_03" class=""><div class="drag" id="clock_drag"></div><iframe name="shell" id="iframe_clock" src='blank12_5.html'></iframe></div>
+    <div id="shell_03" class=""><div class="drag" id="iframe_clock_header"></div><iframe name="shell" id="iframe_clock" src='blank12_5.html'></iframe></div>
     <div id="info">
       <div id="title"></div>
       <div id="authors"></div>