diff --git a/docs/index.html b/docs/index.html
index 10f183a..15f2a35 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -196,7 +196,7 @@ <h3>Read the documentation</h3>
 
       </div><!-- /.col-lg-4 -->
       <div class="col-lg-6">
-        <a href="http://iamooc.ensta-bretagne.fr">
+        <a href="https://www.ensta-bretagne.fr/jaulin/iamooc.html">
           <img class="img-circle" src="img/img-iamooc.png" alt="Generic placeholder image" width="140" height="140">
           <h3>Learn intervals with IAMOOC</h3>
         </a>