diff --git a/configs/Cubietruck_plus_defconfig b/configs/Cubietruck_plus_defconfig
index 60b9c50..79abf95 100644
--- a/configs/Cubietruck_plus_defconfig
+++ b/configs/Cubietruck_plus_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_ISO_PARTITION is not set
 CONFIG_AXP_DLDO3_VOLT=2500
 CONFIG_AXP_DLDO4_VOLT=3300
 CONFIG_AXP_FLDO1_VOLT=1200