diff --git a/configs/mx25pdk_defconfig b/configs/mx25pdk_defconfig
index 2aff636..c024d79 100644
--- a/configs/mx25pdk_defconfig
+++ b/configs/mx25pdk_defconfig
@@ -20,6 +20,7 @@
 CONFIG_DOS_PARTITION=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_FSL_ESDHC=y
+CONFIG_MII=y
 CONFIG_FS_EXT4=y
 CONFIG_FS_FAT=y
 CONFIG_OF_LIBFDT=y