diff --git a/configs/zynq_zc702_defconfig b/configs/zynq_zc702_defconfig
index bac538c..55c5d53 100644
--- a/configs/zynq_zc702_defconfig
+++ b/configs/zynq_zc702_defconfig
@@ -60,6 +60,7 @@
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_REALTEK=y
 CONFIG_PHY_XILINX=y
+CONFIG_MII=y
 CONFIG_ZYNQ_GEM=y
 CONFIG_DEBUG_UART_ZYNQ=y
 CONFIG_ZYNQ_SERIAL=y