diff --git a/cpukit/sapi/src/extension.c b/cpukit/sapi/src/extension.c
index 82a53ff118..63b976958d 100644
--- a/cpukit/sapi/src/extension.c
+++ b/cpukit/sapi/src/extension.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
 /**
  * @file
  *
@@ -8,8 +10,6 @@
  */
 
 /*
- * SPDX-License-Identifier: BSD-2-Clause
- *
  * Copyright (C) 2018 embedded brains GmbH & Co. KG
  *
  * Redistribution and use in source and binary forms, with or without