diff --git a/bsp/stm32f40x/drivers/board.c b/bsp/stm32f40x/drivers/board.c
index 8f2c5b4e1da7cc7eabe711a69b3b4757cfe985bb..ba46e903eab2c353eb93ef380201662527c913a1 100644
--- a/bsp/stm32f40x/drivers/board.c
+++ b/bsp/stm32f40x/drivers/board.c
@@ -93,7 +93,7 @@ void rt_hw_board_init()
     /* Configure the SysTick */
     SysTick_Configuration();
 
-    rt_hw_usart_init();
+    stm32_hw_usart_init();
     stm32_hw_pin_init();
     
 #ifdef RT_USING_CONSOLE