diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 2fae98fad..9175e9e13 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1668,7 +1668,7 @@ def user_data_from_user_object(data, additional \\ []) do
     end
   end
 
-  def fetch_and_prepare_user_from_ap_id(ap_id, additional \\ []) do
+  defp fetch_and_prepare_user_from_ap_id(ap_id, additional) do
     with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
          {:ok, data} <- user_data_from_user_object(data, additional) do
       {:ok, maybe_update_follow_information(data)}