diff --git a/src/hardware.h b/src/hardware.h
index 1ce4c5f..e2dfb1a 100644
--- a/src/hardware.h
+++ b/src/hardware.h
@@ -4,8 +4,8 @@
 /* pin assignments */
 static constexpr uint8_t buttonPin = 0;
 static constexpr uint8_t sensorPin = 0;
-static constexpr uint8_t rotaryPinA = 38;
-static constexpr uint8_t rotaryPinB = 39;
+static constexpr uint8_t rotaryPinA = 39;
+static constexpr uint8_t rotaryPinB = 38;
 static constexpr uint8_t rotaryPinButton = 22;