diff --git a/app/assets/stylesheets/desktop/onebox.scss b/app/assets/stylesheets/desktop/onebox.scss
index 4c288cd7ee7..07708553d86 100644
--- a/app/assets/stylesheets/desktop/onebox.scss
+++ b/app/assets/stylesheets/desktop/onebox.scss
@@ -115,7 +115,7 @@ aside.onebox {
   .onebox-body {
     clear: both;
 
-    h3 {
+    h3, h4 {
       font-size: 1.17em;
       margin: 10px 0 !important;
     }