diff --git a/sys/powerpc/mpc85xx/qoriq_gpio.c b/sys/powerpc/mpc85xx/qoriq_gpio.c
index d09719cc3875..15e0a2cd325d 100644
--- a/sys/powerpc/mpc85xx/qoriq_gpio.c
+++ b/sys/powerpc/mpc85xx/qoriq_gpio.c
@@ -173,7 +173,7 @@ qoriq_gpio_pin_set(device_t dev, uint32_t pin, unsigned int value)
 	outvals = bus_read_4(sc->sc_mem, GPIO_GPDAT);
 	outvals &= ~(1 << pinbit);
 	outvals |= (value << pinbit);
-	bus_write_4(sc->sc_mem, 0, outvals);
+	bus_write_4(sc->sc_mem, GPIO_GPDAT, outvals);
 
 	GPIO_UNLOCK(sc);
 
@@ -208,7 +208,7 @@ qoriq_gpio_pin_toggle(device_t dev, uint32_t pin)
 
 	val = bus_read_4(sc->sc_mem, GPIO_GPDAT);
 	val ^= (1 << (31 - pin));
-	bus_write_4(sc->sc_mem, 0, val);
+	bus_write_4(sc->sc_mem, GPIO_GPDAT, val);
 	
 	GPIO_UNLOCK(sc);