diff --git a/configs/P1021RDB-PC_SDCARD_defconfig b/configs/P1021RDB-PC_SDCARD_defconfig
index 0dfedaf..e285c01 100644
--- a/configs/P1021RDB-PC_SDCARD_defconfig
+++ b/configs/P1021RDB-PC_SDCARD_defconfig
@@ -43,6 +43,7 @@
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nor0=ef000000.nor"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=ef000000.nor:256k(vsc7385-firmware),256k(dtb),4608k(kernel),9728k(fs),256k(qe-ucode-firmware),1280k(u-boot)"
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_FSL_ESDHC=y