diff --git a/plugins/chat/assets/javascripts/discourse/templates/components/chat-draft-channel-screen.hbs b/plugins/chat/assets/javascripts/discourse/templates/components/chat-draft-channel-screen.hbs
index 72c528e74d3..d4a910e99a4 100644
--- a/plugins/chat/assets/javascripts/discourse/templates/components/chat-draft-channel-screen.hbs
+++ b/plugins/chat/assets/javascripts/discourse/templates/components/chat-draft-channel-screen.hbs
@@ -2,7 +2,7 @@
   {{#if this.site.mobileView}}
     <header class="chat-draft-header">
       <FlatButton
-        @class="chat-draft-header__btn"
+        @class="chat-draft-header__btn btn"
         @icon="chevron-left"
         @title="chat.draft_channel_screen.cancel"
         @action={{action "onCancelChatDraft"}}