diff --git a/configs/spear310_pnor_defconfig b/configs/spear310_pnor_defconfig
index aae7e85..1347543 100644
--- a/configs/spear310_pnor_defconfig
+++ b/configs/spear310_pnor_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x50060000
 CONFIG_SYS_I2C_DW=y