diff --git a/include/configs/PM520.h b/include/configs/PM520.h
index 49ae55c..1189989 100644
--- a/include/configs/PM520.h
+++ b/include/configs/PM520.h
@@ -72,6 +72,7 @@
 #define CONFIG_PCI_IO_SIZE	0x01000000
 
 #define CONFIG_NET_MULTI	1
+#define CONFIG_MII		1
 #define CONFIG_EEPRO100		1
 #define CFG_RX_ETH_BUFFER	8  /* use 8 rx buffer on eepro100  */
 #undef  CONFIG_NS8382X