diff --git a/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_sdh.c b/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_sdh.c
index 2989ea9982..74e3168697 100644
--- a/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_sdh.c
+++ b/targets/TARGET_NUVOTON/TARGET_M480/device/StdDriver/m480_sdh.c
@@ -11,7 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "m480.h"
+#include "M480.h"
 
 /** @addtogroup M480_Device_Driver M480 Device Driver
   @{