diff --git a/include/configs/o2dnt.h b/include/configs/o2dnt.h
index c9c69bb..b5878b4 100644
--- a/include/configs/o2dnt.h
+++ b/include/configs/o2dnt.h
@@ -214,11 +214,11 @@
 
 /* Use SRAM until RAM will be available */
 #define CONFIG_SYS_INIT_RAM_ADDR	MPC5XXX_SRAM
-#define CONFIG_SYS_INIT_RAM_END	MPC5XXX_SRAM_SIZE	/* End of used area in DPRAM */
+#define CONFIG_SYS_INIT_RAM_SIZE	MPC5XXX_SRAM_SIZE	/* Size of used area in DPRAM */
 
 
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for 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
 
 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE