diff --git a/meta-ast2400/recipes-bsp/u-boot/files/fw_env.config b/meta-ast2400/recipes-bsp/u-boot/files/fw_env.config
index 9cb3ad2..fe09890 100644
--- a/meta-ast2400/recipes-bsp/u-boot/files/fw_env.config
+++ b/meta-ast2400/recipes-bsp/u-boot/files/fw_env.config
@@ -7,11 +7,12 @@
 
 # NOR example
 # MTD device name	Device offset	Env. size	Flash sector size	Number of sectors
-/dev/mtd1		0x0000		0x20000		0x20000
+#/dev/mtd1		0x0000		0x20000		0x20000
 #/dev/mtd2		0x0000		0x4000		0x4000
 
 # MTD SPI-dataflash example
 # MTD device name	Device offset	Env. size	Flash sector size	Number of sectors
+/dev/mtd2		0x00000		0x20000
 #/dev/mtd5		0x4200		0x4200
 #/dev/mtd6		0x4200		0x4200