diff --git a/configs/dnp5370_defconfig b/configs/dnp5370_defconfig
index 1da61c1..b6d3b74 100644
--- a/configs/dnp5370_defconfig
+++ b/configs/dnp5370_defconfig
@@ -2,5 +2,6 @@
 CONFIG_TARGET_DNP5370=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_NET_RANDOM_ETHADDR=y