diff --git a/include/configs/m53evk.h b/include/configs/m53evk.h
index c133ba9..c348d38 100644
--- a/include/configs/m53evk.h
+++ b/include/configs/m53evk.h
@@ -176,6 +176,7 @@
 #ifdef CONFIG_CMD_I2C
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
 #define CONFIG_SYS_RTC_BUS_NUM		1 /* I2C2 */
 #endif