diff --git a/bsp/stm32f10x/drivers/gpio.c b/bsp/stm32f10x/drivers/gpio.c
index abb62311a97752f462f35cfb45261819501f0cce..3d499bb5a2213bf5dd324b547d66c450603d1438 100755
--- a/bsp/stm32f10x/drivers/gpio.c
+++ b/bsp/stm32f10x/drivers/gpio.c
@@ -754,7 +754,7 @@ INIT_BOARD_EXPORT(stm32_hw_pin_init);
 
 rt_inline void pin_irq_hdr(int irqno)
 {
-    EXTI_ClearITPendingBit(pin_irq_map[irqno].irqno);
+    EXTI_ClearITPendingBit(pin_irq_map[irqno].irqbit);
     if(pin_irq_hdr_tab[irqno].hdr)
     {
        pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args);