diff --git a/addon/components/docs-viewer/x-nav-list/index.hbs b/addon/components/docs-viewer/x-nav-list/index.hbs
index 591da9468..df066fd56 100644
--- a/addon/components/docs-viewer/x-nav-list/index.hbs
+++ b/addon/components/docs-viewer/x-nav-list/index.hbs
@@ -1,3 +1,3 @@
-<ul ...attributes>
+<ul class={{@class}} ...attributes>
   {{yield (hash item=(component "docs-viewer/x-nav-item"))}}
 </ul>
\ No newline at end of file