diff --git a/index.html b/index.html
index ecffb9f..0579fbf 100644
--- a/index.html
+++ b/index.html
@@ -131,7 +131,7 @@ <h2>Common Lisp Products</h2>
 
   <h2>Programming Language</h2>
   <div class="repos-list">
-  <dl id="repos-cl21" class="repos" data-repos-name="fukamachi/cl21">
+  <dl id="repos-cl21" class="repos" data-repos-name="cl21/cl21">
     <dt><a href="http://cl21.org/">CL21</a></dt>
     <dd>An experimental project redesigning Common Lisp</dd>
   </dl>