diff --git a/include/linux/nvme-tcp.h b/include/linux/nvme-tcp.h
index 03d87c0550a9..959e0bd9a913 100644
--- a/include/linux/nvme-tcp.h
+++ b/include/linux/nvme-tcp.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * NVMe over Fabrics TCP protocol header.
  * Copyright (c) 2018 Lightbits Labs. All rights reserved.