diff --git a/configs/M54418TWR_nand_mii_defconfig b/configs/M54418TWR_nand_mii_defconfig
index 5fe6b1b..04ca3a8 100644
--- a/configs/M54418TWR_nand_mii_defconfig
+++ b/configs/M54418TWR_nand_mii_defconfig
@@ -21,5 +21,6 @@
 CONFIG_CMD_CACHE=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_MII=y
 CONFIG_SPI=y
 CONFIG_CF_SPI=y