diff --git a/configs/Cubieboard2_defconfig b/configs/Cubieboard2_defconfig
index 1279f85..a08f538 100644
--- a/configs/Cubieboard2_defconfig
+++ b/configs/Cubieboard2_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_SCSI_AHCI=y
 CONFIG_ETH_DESIGNWARE=y
+CONFIG_MII=y
 CONFIG_SUN7I_GMAC=y
 CONFIG_SCSI=y
 CONFIG_USB_EHCI_HCD=y