diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex
index f4665275c..792c6a1c5 100644
--- a/lib/pleroma/web/activity_pub/publisher.ex
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@@ -160,7 +160,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
 
   defp should_federate?(inbox, public) do
     cond do
-      inbox == nil ->
+      is_nil(inbox) ->
         false
 
       public ->