diff --git a/ports/stm32/mphalport.h b/ports/stm32/mphalport.h
index b0387e6447..c3d280b408 100644
--- a/ports/stm32/mphalport.h
+++ b/ports/stm32/mphalport.h
@@ -45,8 +45,13 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) {
 #define mp_hal_pin_input(p)     mp_hal_pin_config((p), MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_NONE, 0)
 #define mp_hal_pin_output(p)    mp_hal_pin_config((p), MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_NONE, 0)
 #define mp_hal_pin_open_drain(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_OPEN_DRAIN, MP_HAL_PIN_PULL_NONE, 0)
+#if defined(STM32H7)
+#define mp_hal_pin_high(p)      (((p)->gpio->BSRRL) = (p)->pin_mask)
+#define mp_hal_pin_low(p)       (((p)->gpio->BSRRH) = (p)->pin_mask)
+#else
 #define mp_hal_pin_high(p)      (((p)->gpio->BSRR) = (p)->pin_mask)
 #define mp_hal_pin_low(p)       (((p)->gpio->BSRR) = ((p)->pin_mask << 16))
+#endif
 #define mp_hal_pin_od_low(p)    mp_hal_pin_low(p)
 #define mp_hal_pin_od_high(p)   mp_hal_pin_high(p)
 #define mp_hal_pin_read(p)      (((p)->gpio->IDR >> (p)->pin) & 1)