diff --git a/include/configs/MPC8313ERDB.h b/include/configs/MPC8313ERDB.h
index 1b2bebb..b141fdf 100644
--- a/include/configs/MPC8313ERDB.h
+++ b/include/configs/MPC8313ERDB.h
@@ -208,10 +208,10 @@
 
 #define CONFIG_SYS_INIT_RAM_LOCK	1
 #define CONFIG_SYS_INIT_RAM_ADDR	0xFD000000	/* Initial RAM address */
-#define CONFIG_SYS_INIT_RAM_END	0x1000		/* End of used area in RAM*/
+#define CONFIG_SYS_INIT_RAM_SIZE	0x1000		/* Size of used area in RAM*/
 
 #define CONFIG_SYS_GBL_DATA_SIZE	0x100		/* num bytes initial data */
-#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
 
 /* CONFIG_SYS_MONITOR_LEN must be a multiple of CONFIG_ENV_SECT_SIZE */