diff --git a/app/assets/javascripts/discourse/templates/composer.js.handlebars b/app/assets/javascripts/discourse/templates/composer.js.handlebars
index 8231d9b20b0..9644284371b 100644
--- a/app/assets/javascripts/discourse/templates/composer.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/composer.js.handlebars
@@ -63,7 +63,7 @@
             {{popupInputTip validation=view.replyValidation shownAt=view.showReplyTip}}
           </div>
           <!-- keep the classes here in sync with post.js.handlebars -->
-          <div class='preview-wrapper contents regular'>
+          <div class='preview-wrapper regular'>
             <div id='wmd-preview' {{bind-attr class="hidePreview:hidden :cooked"}}></div>
           </div>
           <div class="composer-bottom-right">