diff --git a/less/forum/DiscussionHero.less b/less/forum/DiscussionHero.less
index 39cf74b43..1a089f101 100644
--- a/less/forum/DiscussionHero.less
+++ b/less/forum/DiscussionHero.less
@@ -24,8 +24,8 @@
 
 .DiscussionHero--floating {
   position: fixed;
-  height: 50px;
   width: 100%;
+  .box-shadow(0 1px 6px @shadow-color);
 
   @media @desktop-up {
     height: 50px;