diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig
index 33e075fcfc..4e5c9234aa 100644
--- a/configs/puma-rk3399_defconfig
+++ b/configs/puma-rk3399_defconfig
@@ -46,6 +46,7 @@ CONFIG_MMC_SDHCI_ROCKCHIP=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ9031=y
 CONFIG_DM_ETH=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y