diff --git a/configs/theadorable_debug_defconfig b/configs/theadorable_debug_defconfig
index 7f0314c..697be1a 100644
--- a/configs/theadorable_debug_defconfig
+++ b/configs/theadorable_debug_defconfig
@@ -60,6 +60,7 @@
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_GIGE=y
 CONFIG_MVNETA=y
+CONFIG_MII=y
 CONFIG_PCI=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y