diff --git a/include/4xx_i2c.h b/include/4xx_i2c.h
index 2df4fbd..f0e772c 100644
--- a/include/4xx_i2c.h
+++ b/include/4xx_i2c.h
@@ -43,10 +43,10 @@
 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
     defined(CONFIG_460EX) || defined(CONFIG_460GT)
-#define I2C_BASE_ADDR	(CFG_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS)
+#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS)
 #elif defined(CONFIG_440) || defined(CONFIG_405EX)
 /* all remaining 440 variants */
-#define I2C_BASE_ADDR	(CFG_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS)
+#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS)
 #else
 /* all 405 variants */
 #define I2C_BASE_ADDR	(0xEF600500 + I2C_BUS_OFFS)