diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig
index bc9a79107e0..9e5499a1fec 100644
--- a/configs/puma-rk3399_defconfig
+++ b/configs/puma-rk3399_defconfig
@@ -71,6 +71,7 @@ CONFIG_MMC_SDHCI_ROCKCHIP=y
 CONFIG_SF_DEFAULT_BUS=1
 CONFIG_SPI_FLASH_GIGADEVICE=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PHY_ANEG_TIMEOUT=30000
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_ETH_DESIGNWARE=y