diff --git a/include/configs/linkit-smart-7688.h b/include/configs/linkit-smart-7688.h
index b9c853d..28372d4 100644
--- a/include/configs/linkit-smart-7688.h
+++ b/include/configs/linkit-smart-7688.h
@@ -20,8 +20,8 @@
 
 /* Serial SPL */
 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_SERIAL)
-#define CONFIG_SYS_NS16550_CLK		40000000
-#define CONFIG_SYS_NS16550_COM3		0xb0000e00
+#define CFG_SYS_NS16550_CLK		40000000
+#define CFG_SYS_NS16550_COM3		0xb0000e00
 
 #endif