diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index 8e8b3f5ed..83e8fb765 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -287,7 +287,7 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
     summary = object["name"] || object["summary"]
 
     content =
-      if !!summary and summary != "" do
+      if !!summary and summary != "" and is_bitstring(object["url"]) do
         "<p><a href=\"#{object["url"]}\">#{summary}</a></p>#{object["content"]}"
       else
         object["content"]