diff --git a/libraries/RotaryEncoder/SwRotaryEncoder.cpp b/libraries/RotaryEncoder/SwRotaryEncoder.cpp
index 8cf4a8bc1..7444560fd 100644
--- a/libraries/RotaryEncoder/SwRotaryEncoder.cpp
+++ b/libraries/RotaryEncoder/SwRotaryEncoder.cpp
@@ -120,14 +120,14 @@ void SwRotaryEncoder::clearAbs(void)
 
 void SwRotaryEncoder::_irq_handler(void)
 {
-  uint32_t val = NRF_GPIO->IN;
-  uint8_t bita = bitRead(val, _pina);
+  uint8_t bita = digitalRead(_pina);
+  uint8_t bitb = digitalRead(_pinb);
 
   if ( bita != _a_last)
   {
     int32_t step;
 
-    if ( bita != bitRead(val, _pinb) )
+    if ( bita != bitb )
     {
       step = 1;
     }else