diff --git a/app/assets/stylesheets/mobile/topic-post.scss b/app/assets/stylesheets/mobile/topic-post.scss
index b012356eb16..49ec7ce78e9 100644
--- a/app/assets/stylesheets/mobile/topic-post.scss
+++ b/app/assets/stylesheets/mobile/topic-post.scss
@@ -33,6 +33,7 @@ span.badge-posts {
     }
     button {
       border: none;
+      font-size: 1.286em;
       padding: 8px 10px;
       vertical-align: top;
       background: transparent;