diff --git a/net/Makefile b/net/Makefile
index ce36362..6251ff3 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -15,6 +15,7 @@
 else
 obj-$(CONFIG_NET)      += eth_legacy.o
 endif
+obj-$(CONFIG_DM_MDIO)  += mdio-uclass.o
 obj-$(CONFIG_NET)      += eth_common.o
 obj-$(CONFIG_CMD_LINK_LOCAL) += link_local.o
 obj-$(CONFIG_NET)      += net.o