diff --git a/configs/km_kirkwood_defconfig b/configs/km_kirkwood_defconfig
index 4b9cdb7..fccd1e6 100644
--- a/configs/km_kirkwood_defconfig
+++ b/configs/km_kirkwood_defconfig
@@ -21,6 +21,7 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_JFFS2=y
 CONFIG_CMD_UBI=y
+# CONFIG_CMD_UBIFS is not set
 # CONFIG_MMC is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y