diff --git a/include/440_i2c.h b/include/440_i2c.h
index 9fdf7d8..9c90a9e 100644
--- a/include/440_i2c.h
+++ b/include/440_i2c.h
@@ -1,11 +1,11 @@
 #ifndef _440_i2c_h_
 #define _440_i2c_h_
 
-#if defined(CONFIG_440_EP) || defined(CONFIG_440_GR)
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
 #define    I2C_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000700)
 #else
 #define    I2C_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000400)
-#endif /*CONFIG_440_EP CONFIG_440_GR*/
+#endif /*CONFIG_440EP CONFIG_440GR*/
 
 #define	   I2C_REGISTERS_BASE_ADDRESS I2C_BASE_ADDR
 #define    IIC_MDBUF	(I2C_REGISTERS_BASE_ADDRESS+IICMDBUF)