diff --git a/test/TEST-02-UNITTESTS/meson.build b/test/TEST-02-UNITTESTS/meson.build
index 6bc04838fb..5c3c040858 100644
--- a/test/TEST-02-UNITTESTS/meson.build
+++ b/test/TEST-02-UNITTESTS/meson.build
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 test_params += {
         'mkosi_args': test_params['mkosi_args'] + [
                 '--kernel-command-line-extra=' + ' '.join([