diff --git a/app/less/app.less b/app/less/app.less
index 2479e46a..6d2dacba 100644
--- a/app/less/app.less
+++ b/app/less/app.less
@@ -1915,6 +1915,9 @@ div.im_message_body {
   line-height: 16px;
   margin-bottom: 3px;
 }
+.non_osx .im_message_reply_author {
+  font-size: 12px;
+}
 .im_message_reply_loading {
   padding: 7px 0 8px;
 }