diff --git a/configs/MPC8555CDS_defconfig b/configs/MPC8555CDS_defconfig
index dcf7091..e7a5ca0 100644
--- a/configs/MPC8555CDS_defconfig
+++ b/configs/MPC8555CDS_defconfig
@@ -17,6 +17,7 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 # CONFIG_CMD_HASH is not set
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0xFFFC0000
 # CONFIG_MMC is not set