diff --git a/priv/repo/migrations/20210818023112_add_user_id_to_apps.exs b/priv/repo/migrations/20210818023112_add_user_id_to_apps.exs
index 39e7fbef5..88a6bce00 100644
--- a/priv/repo/migrations/20210818023112_add_user_id_to_apps.exs
+++ b/priv/repo/migrations/20210818023112_add_user_id_to_apps.exs
@@ -5,5 +5,7 @@ defmodule Pleroma.Repo.Migrations.AddUserIdToApps do
     alter table(:apps) do
       add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
     end
+
+    create_if_not_exists(index(:apps, [:user_id]))
   end
 end