diff --git a/configs/nas220_defconfig b/configs/nas220_defconfig
index 8a0cc01..c4e7307 100644
--- a/configs/nas220_defconfig
+++ b/configs/nas220_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
+CONFIG_CMD_UBI=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y