diff --git a/drivers/rtc/x1205.c b/drivers/rtc/x1205.c
index 7a3b514..56115b0 100644
--- a/drivers/rtc/x1205.c
+++ b/drivers/rtc/x1205.c
@@ -96,7 +96,7 @@
 
 static void rtc_write(int reg, u8 val)
 {
-	i2c_write(CFG_I2C_RTC_ADDR, reg, 2, &val, 1);
+	i2c_write(CONFIG_SYS_I2C_RTC_ADDR, reg, 2, &val, 1);
 }
 
 /*
@@ -108,7 +108,7 @@
 {
 	u8 buf[8];
 
-	i2c_read(CFG_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8);
+	i2c_read(CONFIG_SYS_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8);
 
 	debug("%s: raw read data - sec=%02x, min=%02x, hr=%02x, "
 	      "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n",