diff --git a/features/netsocket/emac-drivers/TARGET_GD_EMAC/TARGET_GD32F30X/gd32f3_eth_init.c b/features/netsocket/emac-drivers/TARGET_GD_EMAC/TARGET_GD32F30X/gd32f3_eth_init.c
index d4a3373aee..4c25faba68 100644
--- a/features/netsocket/emac-drivers/TARGET_GD_EMAC/TARGET_GD32F30X/gd32f3_eth_init.c
+++ b/features/netsocket/emac-drivers/TARGET_GD_EMAC/TARGET_GD32F30X/gd32f3_eth_init.c
@@ -1,6 +1,8 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018 GigaDevice Semiconductor Inc.
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.cpp b/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.cpp
index ee8c9511d3..5ab4a9c4ff 100644
--- a/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.cpp
+++ b/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.cpp
@@ -1,6 +1,8 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018 GigaDevice Semiconductor Inc.
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.h b/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.h
index 32e7a36836..11e3aaf58a 100644
--- a/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.h
+++ b/features/netsocket/emac-drivers/TARGET_GD_EMAC/gd32xx_emac.h
@@ -1,6 +1,8 @@
 /* mbed Microcontroller Library
  * Copyright (c) 2018 GigaDevice Semiconductor Inc.
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at