diff --git a/tools/git-if-needed/nix/test.nix b/tools/git-if-needed/nix/test.nix
index 96af1d8..054bb33 100644
--- a/tools/git-if-needed/nix/test.nix
+++ b/tools/git-if-needed/nix/test.nix
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: StorPool <support@storpool.com>
+# SPDX-License-Identifier: BSD-2-Clause
+
 { pkgs ? import <nixpkgs> {}, perl-ver ? 536 }:
 let
   perl-tree-name = "perl${toString perl-ver}Packages";