diff --git a/board/renesas/alt/alt.c b/board/renesas/alt/alt.c
index 083e007..68ae937 100644
--- a/board/renesas/alt/alt.c
+++ b/board/renesas/alt/alt.c
@@ -166,7 +166,7 @@
 {
 	u8 val;
 
-	i2c_set_bus_num(1); /* PowerIC connected to ch3 */
+	i2c_set_bus_num(1); /* PowerIC connected to ch1 */
 	i2c_init(400000, 0);
 	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
 	val |= 0x02;