diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index a112d4ced..1471c9416 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -693,7 +693,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   end
 
   def add_mention_tags(object) do
-    recipients = object["to"] ++ (object["cc"] || [])
+    recipients = object["to"] || []
 
     mentions =
       recipients