diff --git a/configs/tuxx1_defconfig b/configs/tuxx1_defconfig
index 7dbc3cc..0a2c36c 100644
--- a/configs/tuxx1_defconfig
+++ b/configs/tuxx1_defconfig
@@ -173,6 +173,8 @@
 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