diff --git a/configs/ls1021atsn_qspi_defconfig b/configs/ls1021atsn_qspi_defconfig
index 148c1f4f9a..4385df6248 100644
--- a/configs/ls1021atsn_qspi_defconfig
+++ b/configs/ls1021atsn_qspi_defconfig
@@ -51,6 +51,7 @@ CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_PHY_ATHEROS=y
 CONFIG_PHY_BROADCOM=y
 CONFIG_PHY_FIXED=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_ETH=y
 CONFIG_DM_MDIO=y
 CONFIG_DM_DSA=y
diff --git a/configs/ls1021atsn_sdcard_defconfig b/configs/ls1021atsn_sdcard_defconfig
index da379a5ba5..506a33789c 100644
--- a/configs/ls1021atsn_sdcard_defconfig
+++ b/configs/ls1021atsn_sdcard_defconfig
@@ -66,6 +66,7 @@ CONFIG_SPI_FLASH_DATAFLASH=y
 CONFIG_PHY_ATHEROS=y
 CONFIG_PHY_BROADCOM=y
 CONFIG_PHY_FIXED=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_ETH=y
 CONFIG_DM_MDIO=y
 CONFIG_DM_DSA=y