diff --git a/include/configs/CPC45.h b/include/configs/CPC45.h
index 8502542..6a88d26 100644
--- a/include/configs/CPC45.h
+++ b/include/configs/CPC45.h
@@ -153,11 +153,10 @@
 
 /* Size in bytes reserved for initial data
  */
-#define CONFIG_SYS_GBL_DATA_SIZE	128
 
 #define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
 #define CONFIG_SYS_INIT_RAM_SIZE	0x1000
-#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 
 /*
  * NS16550 Configuration