diff --git a/configs/dbau1100_defconfig b/configs/dbau1100_defconfig
index 67b36e8..dad02e4 100644
--- a/configs/dbau1100_defconfig
+++ b/configs/dbau1100_defconfig
@@ -13,3 +13,4 @@
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 CONFIG_MAC_PARTITION=y
+# CONFIG_ISO_PARTITION is not set