diff --git a/configs/kmcoge4_defconfig b/configs/kmcoge4_defconfig
index cf54e9f..928d1ca 100644
--- a/configs/kmcoge4_defconfig
+++ b/configs/kmcoge4_defconfig
@@ -41,6 +41,7 @@
 CONFIG_CMD_UBI=y
 # CONFIG_CMD_UBIFS is not set
 CONFIG_DOS_PARTITION=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y