diff --git a/configs/tuge1_defconfig b/configs/tuge1_defconfig
index 4ba18e9..e4b4afc 100644
--- a/configs/tuge1_defconfig
+++ b/configs/tuge1_defconfig
@@ -151,6 +151,8 @@
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_ENV_ADDR=0xF00C0000
 CONFIG_ENV_ADDR_REDUND=0xF00E0000
+CONFIG_USE_ETHPRIME=y
+CONFIG_ETHPRIME="UEC0"
 CONFIG_VERSION_VARIABLE=y
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_DM_BOOTCOUNT=y