1 files changed, 1 insertions, 4 deletions
diff --git a/src/lpc176x/gpio.c b/src/lpc176x/gpio.c
index 35a5a226..0b6d0345 100644
--- a/src/lpc176x/gpio.c
+++ b/src/lpc176x/gpio.c
@@ -80,10 +80,7 @@ gpio_out_reset(struct gpio_out g, uint8_t val)
     LPC_GPIO_TypeDef *regs = g.regs;
     int pin = regs_to_pin(regs, g.bit);
     irqstatus_t flag = irq_save();
-    if (val)
-        regs->FIOSET = g.bit;
-    else
-        regs->FIOCLR = g.bit;
+    regs->FIOPIN = (regs->FIOSET & ~g.bit) | (val ? g.bit : 0);
     regs->FIODIR |= g.bit;
     gpio_peripheral(pin, 0, 0);
     irq_restore(flag);