diff --git a/include/configs/atngw100.h b/include/configs/atngw100.h
index 6d8c1b2..12da7f0 100644
--- a/include/configs/atngw100.h
+++ b/include/configs/atngw100.h
@@ -153,7 +153,7 @@
 #define CFG_INTRAM_SIZE			INTERNAL_SRAM_SIZE
 #define CFG_SDRAM_BASE			EBI_SDRAM_BASE
 
-#define CFG_ENV_IS_IN_FLASH		1
+#define CONFIG_ENV_IS_IN_FLASH		1
 #define CFG_ENV_SIZE			65536
 #define CFG_ENV_ADDR			(CFG_FLASH_BASE + CFG_FLASH_SIZE - CFG_ENV_SIZE)