diff --git a/variants/elbear_ace_uno/pins_arduino.h b/variants/elbear_ace_uno/pins_arduino.h
index 0b084ef..3095d54 100644
--- a/variants/elbear_ace_uno/pins_arduino.h
+++ b/variants/elbear_ace_uno/pins_arduino.h
@@ -114,9 +114,9 @@ void spi_onBegin(uint8_t spiNum);
 void spi_onEnd(uint8_t spiNum);
 
 // I2C
-#define PIN_WIRE_SDA  (18)
-#define PIN_WIRE_SCL  (19)
-#define I2C_NUM       (1) // i2c number 1
+#define PIN_WIRE_SDA    (18)
+#define PIN_WIRE_SCL    (19)
+#define I2C_COMMON_QTY  (1)
 static const uint8_t SDA = PIN_WIRE_SDA;
 static const uint8_t SCL = PIN_WIRE_SCL;
 // available frequencies