diff --git a/configs/P1020MBG-PC_defconfig b/configs/P1020MBG-PC_defconfig
index 4ff3712..71ad06c 100644
--- a/configs/P1020MBG-PC_defconfig
+++ b/configs/P1020MBG-PC_defconfig
@@ -26,6 +26,7 @@
 # CONFIG_CMD_HASH is not set
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0xEFF20000
 CONFIG_FSL_ESDHC=y