diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 361e93e91..46dabd5de 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -683,7 +683,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       (Pleroma.Web.Salmon.remote_users(activity) ++ followers)
       |> Enum.filter(fn user -> User.ap_enabled?(user) end)
       |> Enum.map(fn %{info: %{"source_data" => data}} ->
-        (data["endpoints"] && data["endpoints"]["sharedInbox"]) || data["inbox"]
+        (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
       end)
       |> Enum.uniq()
       |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)