diff --git a/encoder.cpp b/encoder.cpp
index 4f42f76..73bdc06 100644
--- a/encoder.cpp
+++ b/encoder.cpp
@@ -16,7 +16,7 @@ static const uint8_t MOMENTUM_MULTIPLIER = 1;
 
 uint8_t enc_state (void)
 {
-  return ((digitalRead(PIN_ENC_A)?1:0) + (digitalRead(PIN_ENC_B)?2:0));
+  return (digitalRead(PIN_ENC_B) << 1) + (digitalRead(PIN_ENC_A) << 0);
 }
 
 /*