diff --git a/configs/MCR3000_defconfig b/configs/MCR3000_defconfig
index b540762..61240f3 100644
--- a/configs/MCR3000_defconfig
+++ b/configs/MCR3000_defconfig
@@ -68,6 +68,7 @@
 CONFIG_CMD_PING=y
 # CONFIG_CMD_MISC is not set
 CONFIG_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x4004000
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y