diff --git a/package/mdio-tools/mdio-tools.mk b/package/mdio-tools/mdio-tools.mk
index b42ea41c79..e61f847e13 100644
--- a/package/mdio-tools/mdio-tools.mk
+++ b/package/mdio-tools/mdio-tools.mk
@@ -16,6 +16,7 @@ define MDIO_TOOLS_LINUX_CONFIG_FIXUPS
 	$(call KCONFIG_ENABLE_OPT,CONFIG_NET)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_NETDEVICES)
 	$(call KCONFIG_ENABLE_OPT,CONFIG_MDIO_DEVICE)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_MDIO_BUS)
 endef
 
 $(eval $(kernel-module))