diff --git a/configs/O2DNT2_RAMBOOT_defconfig b/configs/O2DNT2_RAMBOOT_defconfig
index 2c70e2e..ccfa82b 100644
--- a/configs/O2DNT2_RAMBOOT_defconfig
+++ b/configs/O2DNT2_RAMBOOT_defconfig
@@ -16,5 +16,6 @@
 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