diff --git a/configs/pb1000_defconfig b/configs/pb1000_defconfig
index d2f9258..6aa2c43 100644
--- a/configs/pb1000_defconfig
+++ b/configs/pb1000_defconfig
@@ -12,5 +12,6 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_USE_PRIVATE_LIBGCC=y