diff --git a/configs/spear310_usbtty_nand_defconfig b/configs/spear310_usbtty_nand_defconfig
index 81883144..e9d14ce 100644
--- a/configs/spear310_usbtty_nand_defconfig
+++ b/configs/spear310_usbtty_nand_defconfig
@@ -4,6 +4,7 @@
 CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y