diff --git a/docker/builder.Dockerfile b/docker/builder.Dockerfile
index dd29100..2052b9f 100644
--- a/docker/builder.Dockerfile
+++ b/docker/builder.Dockerfile
@@ -1,5 +1,6 @@
-FROM lopsided/archlinux:latest
+FROM archlinux/archlinux:latest
 ARG TARGETPLATFORM
+ENV TARGETPLATFORM=${TARGETPLATFORM}
 
 ADD docker/add-aur.sh /root
 ADD docker/pacman.conf.amd64 /etc/pacman.conf.amd64