diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c
index f9d8b68b1..8dc1e5f30 100644
--- a/cores/arduino/wiring_digital.c
+++ b/cores/arduino/wiring_digital.c
@@ -83,7 +83,7 @@ void digitalWrite( pin_size_t ulPin, PinStatus ulVal )
uint32_t pin = g_APinDescription[ulPin].ulPin;
uint32_t pinMask = (1ul << pin);
- if ( (PORT->Group[port].DIRSET.reg & pinMask) == 0 ) {
+ if ( (PORT->Group[port].DIR.reg & pinMask) == 0 ) {
// the pin is not an output, disable pull-up if val is LOW, otherwise enable pull-up
PORT->Group[port].PINCFG[pin].bit.PULLEN = ((ulVal == LOW) ? 0 : 1) ;
}
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