diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index 62ce3b7b..e79fa5b6 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -233,7 +233,7 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
 
     content =
       if !!summary and summary != "" do
-        "<span>#{activity.data["object"]["summary"]}</span><br />#{content}</span>"
+        "<span class=\"contentWarningText\">#{activity.data["object"]["summary"]}</span><br /><span class=\"contentWarning\">#{content}</span>"
       else
         content
       end