diff --git a/configs/O3DNT_defconfig b/configs/O3DNT_defconfig
index 34dde93..3bc637b 100644
--- a/configs/O3DNT_defconfig
+++ b/configs/O3DNT_defconfig
@@ -12,5 +12,6 @@
 CONFIG_CMD_PING=y
 CONFIG_CMD_FAT=y
 CONFIG_MAC_PARTITION=y
+CONFIG_ISO_PARTITION=y
 # CONFIG_PCI is not set
 CONFIG_OF_LIBFDT=y