diff --git a/config/sources/cubox.conf b/config/sources/cubox.conf
index 06524b765e..dc6ee6bc81 100644
--- a/config/sources/cubox.conf
+++ b/config/sources/cubox.conf
@@ -3,6 +3,8 @@ BOOTLOADER='https://github.com/SolidRun/u-boot-imx6'
 BOOTBRANCH='imx6'
 BOOTSOURCE='u-boot-cubox'
 
+UBOOT_NEEDS_GCC='< 5.0'
+
 case $BRANCH in
 	default)
 	LINUXKERNEL='https://github.com/linux4kix/linux-linaro-stable-mx6'