diff --git a/priv/repo/migrations/20180903114437_users_add_is_moderator_index.exs b/priv/repo/migrations/20180903114437_users_add_is_moderator_index.exs
new file mode 100644
index 000000000..ba6b90ea9
--- /dev/null
+++ b/priv/repo/migrations/20180903114437_users_add_is_moderator_index.exs
@@ -0,0 +1,7 @@
+defmodule Pleroma.Repo.Migrations.UsersAddIsModeratorIndex do
+  use Ecto.Migration
+
+  def change do
+    create index(:users, ["(info->'is_moderator')"], name: :users_is_moderator_index, using: :gin)
+  end
+end