diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index 5264dd56efd..639ff3234af 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -570,6 +570,8 @@ a.mention, a.mention-group {
   color: dark-light-diff($primary, $secondary, 30%, -30%);
   background: dark-light-diff($primary, $secondary, 95%, -60%);
   border-radius: 8px;
+  font-weight: bold;
+  font-size: 0.93em;
 }