diff --git a/config/boards/shields/hillside52/hillside52.dtsi b/config/boards/shields/hillside52/hillside52.dtsi
index b67d4cd0..22f62d28 100644
--- a/config/boards/shields/hillside52/hillside52.dtsi
+++ b/config/boards/shields/hillside52/hillside52.dtsi
@@ -102,8 +102,8 @@ RC(3,0) RC(3,1) RC(3,2)         RC(4,1) RC(4,2) RC(4,3) RC(4,4)   RC(4,7) RC(4,8
 // On the nice!nano documentation these are green DX pins:
 // https://nicekeyboards.com/docs/nice-nano/pinout-schematic
 //
-#define MOUSE_PS2_PIN_SCL_PRO_MICRO <&pro_micro 2 GPIO_ACTIVE_HIGH>
-#define MOUSE_PS2_PIN_SDA_PRO_MICRO <&pro_micro 3 GPIO_ACTIVE_HIGH>
+#define MOUSE_PS2_PIN_SCL_PRO_MICRO <&pro_micro 3 GPIO_ACTIVE_HIGH>
+#define MOUSE_PS2_PIN_SDA_PRO_MICRO <&pro_micro 2 GPIO_ACTIVE_HIGH>
 
 
 // Uncomment and configure this pin if you have an extra free pin and want the