diff --git a/configs/odroidc2_defconfig b/configs/odroidc2_defconfig
index bb85431891..c15df8f252 100644
--- a/configs/odroidc2_defconfig
+++ b/configs/odroidc2_defconfig
@@ -22,7 +22,8 @@ BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY=y
 BR2_TARGET_UBOOT_BOARDNAME="odroid-c2"
-BR2_TARGET_UBOOT_CUSTOM_VERSION="2020.07"
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2020.07"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
 BR2_TARGET_UBOOT_BOOT_SCRIPT=y
 BR2_TARGET_UBOOT_BOOT_SCRIPT_SOURCE="board/hardkernel/odroidc2/boot.cmd"