diff --git a/Dockerfile b/Dockerfile
index 514f851..7e27cc4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,8 +7,8 @@ ARG BUILD_APP_VERSION
 ARG BUILD_S6_ARCH_amd64
 ARG BUILD_S6_OVERLAY_VERSION
 ARG ROOTFS=/root-out
-ARG REL=${BUILD_APP_VERSION}
-ARG ARCH=x86_64
+ARG REL=${BUILD_DEBIAN_REL}
+ARG ARCH=${BUILD_DEBIAN_ARCH}
 ARG MIRROR=http://dl-cdn.alpinelinux.org/alpine
 ARG PACKAGES=alpine-baselayout,\
 alpine-keys,\