diff --git a/configs/turris_mox_defconfig b/configs/turris_mox_defconfig
index 9a76a11..bcd3699 100644
--- a/configs/turris_mox_defconfig
+++ b/configs/turris_mox_defconfig
@@ -82,6 +82,7 @@
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_GIGE=y
 CONFIG_MVNETA=y
+CONFIG_MVMDIO=y
 CONFIG_NVME_PCI=y
 CONFIG_PCI=y
 CONFIG_PCI_AARDVARK=y