diff --git a/layer/Board/B-U585I-IOT02A/IoT/B_U585I_IOT02A_DK.h b/layer/Board/B-U585I-IOT02A/IoT/B_U585I_IOT02A_DK.h
index 6b8f30a..13dcad0 100644
--- a/layer/Board/B-U585I-IOT02A/IoT/B_U585I_IOT02A_DK.h
+++ b/layer/Board/B-U585I-IOT02A/IoT/B_U585I_IOT02A_DK.h
@@ -46,8 +46,8 @@
 #define ARDUINO_UNO_D17 GPIO_PORTC(5U)
 #define ARDUINO_UNO_D18 GPIO_PORTA(7U)
 #define ARDUINO_UNO_D19 GPIO_PORTB(0U)
-#define ARDUINO_UNO_D20 GPIO_PORTB(8U)  /* I2C1: SDA  */
-#define ARDUINO_UNO_D21 GPIO_PORTB(9U)  /* I2C1: SCL  */
+#define ARDUINO_UNO_D20 GPIO_PORTB(9U)  /* I2C1: SDA  */
+#define ARDUINO_UNO_D21 GPIO_PORTB(8U)  /* I2C1: SCL  */
 
 // B-U585I-IOT02A Arduino CMSIS Driver instances
 #define ARDUINO_UNO_I2C     1