diff --git a/tests/codec/codec_test.c b/tests/codec/codec_test.c
index b204d77..7a10fc5 100644
--- a/tests/codec/codec_test.c
+++ b/tests/codec/codec_test.c
@@ -1,10 +1,12 @@
 /*
- * (C) 2016 by Sysmocom s.f.m.c. GmbH
+ * (C) 2016 by sysmocom - s.f.m.c. GmbH
  * All Rights Reserved
  *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
@@ -12,7 +14,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
- * You should have received a copy of the GNU Affero General Public License
+ * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */