diff --git a/scripts/gen-os-config.sh b/scripts/gen-os-config.sh
index 4d430899..fa09c898 100755
--- a/scripts/gen-os-config.sh
+++ b/scripts/gen-os-config.sh
@@ -5,6 +5,7 @@ cd $(dirname $0)/..
 
 set -a
 . build.conf
+. build.conf.${ARCH}
 
 SUFFIX=""
 [ "${ARCH}" == "amd64" ] || SUFFIX="_${ARCH}"