diff --git a/configs/riotboard_defconfig b/configs/riotboard_defconfig
index ce5daad..c33ea6e 100644
--- a/configs/riotboard_defconfig
+++ b/configs/riotboard_defconfig
@@ -20,6 +20,7 @@
 CONFIG_CMD_USB=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT4_WRITE=y
+CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y