diff --git a/MotorDriver.cpp b/MotorDriver.cpp
index 7f80544..8749471 100644
--- a/MotorDriver.cpp
+++ b/MotorDriver.cpp
@@ -510,7 +510,7 @@ void  MotorDriver::getFastPin(const FSH* type,int pin, bool input, FASTPIN & res
 #if defined(ARDUINO_GIGA)
     (void)type;
     (void)input; // no warnings please
-    *result = digitalPinToPort(pin);
+    *result = digitalPinToGpio(pin);
 #else
     (void) type; // avoid compiler warning if diag not used above.
 #if defined(ARDUINO_ARCH_SAMD)