diff --git a/configs/udoo_defconfig b/configs/udoo_defconfig
index 6f66d5c..1c6983a 100644
--- a/configs/udoo_defconfig
+++ b/configs/udoo_defconfig
@@ -27,6 +27,7 @@
 CONFIG_CMD_SATA=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT4_WRITE=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y