diff --git a/conf/machine/include/rockchip-defaults.inc b/conf/machine/include/rockchip-defaults.inc
index b15725d..8dc03cf 100644
--- a/conf/machine/include/rockchip-defaults.inc
+++ b/conf/machine/include/rockchip-defaults.inc
@@ -1,4 +1,5 @@
 # meta-rockchip default settings
+MACHINEOVERRIDES =. "${@bb.utils.contains('ROCKCHIP_CLOSED_TPL', '1', 'closed-tpl:', '', d)}"
 MACHINEOVERRIDES =. "rockchip:"
 # kernel
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"