diff --git a/templates/main/index.html.twig b/templates/main/index.html.twig
index 0217c30..6a0b605 100644
--- a/templates/main/index.html.twig
+++ b/templates/main/index.html.twig
@@ -11,7 +11,7 @@
             }) }}">
                 {{ name }}
             </a>
-            {{ _self.render_tree(subtree, name ~ '/') }}
+            {{ _self.render_tree(subtree, prefix ~ name ~ '/') }}
         </li>
     {% endfor %}
     </ul>