diff --git a/dynamic-layers/rk-rauc-demo/recipes-core/rauc/rauc-conf.bbappend b/dynamic-layers/rk-rauc-demo/recipes-core/rauc/rauc-conf.bbappend
index 281eb2c..e19db23 100644
--- a/dynamic-layers/rk-rauc-demo/recipes-core/rauc/rauc-conf.bbappend
+++ b/dynamic-layers/rk-rauc-demo/recipes-core/rauc/rauc-conf.bbappend
@@ -1,5 +1,7 @@
 inherit rk-rauc-demo-features-check
 
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
 FILESEXTRAPATHS:prepend:rk-rauc-demo := "${THISDIR}/files:"
 
 do_install:prepend:rk-rauc-demo() {