diff --git a/source/_partials/sidebar.html.twig b/source/_partials/sidebar.html.twig
index 8d501e3a..8af96176 100644
--- a/source/_partials/sidebar.html.twig
+++ b/source/_partials/sidebar.html.twig
@@ -7,7 +7,7 @@
     </section>
 
     <!--
-    <section class="block block--drupalcon_la">
+    <section class="block block__drupalcon_la">
         <h2>DrupalCon LA</h2>
         <img src="/assets/images/drupalcon-la-attending.png" alt="">
         <img src="/assets/images/drupalcon-la-sprinter.png" alt="">