diff --git a/common/hal_gpio.h b/common/hal_gpio.h
index b2d597b..7d99d1f 100644
--- a/common/hal_gpio.h
+++ b/common/hal_gpio.h
@@ -98,7 +98,7 @@
 										\
   static inline void HAL_GPIO_##name##_off(void)				\
   {										\
-    PORT->Group[HAL_GPIO_PORT##port].DIRSET.reg = (1 << pin);			\
+    PORT->Group[HAL_GPIO_PORT##port].DIRCLR.reg = (1 << pin);			\
     PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~(PORT_PINCFG_PULLEN | PORT_PINCFG_INEN);	\
     (void)HAL_GPIO_##name##_off;						\
   }										\