diff --git a/configs/sbc8548_defconfig b/configs/sbc8548_defconfig
index fa6e61e..3dea198 100644
--- a/configs/sbc8548_defconfig
+++ b/configs/sbc8548_defconfig
@@ -6,6 +6,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_SYS_NS16550=y
 CONFIG_OF_LIBFDT=y