diff --git a/rootfs.py b/rootfs.py
index 2f9822f0..24b8c9fd 100755
--- a/rootfs.py
+++ b/rootfs.py
@@ -270,9 +270,9 @@ print(shutil.which('chroot'))
             '--build-arg=TARGET=' + target_rel,
             '--build-arg=SOURCE_DATE_EPOCH=1',
             '--progress=auto',
-            '--platform=linux/amd64',
+            '--platform=linux/amd64,linux/arm64,linux/i386,linux/riscv64',
             '--target=package',
-            '--tag=live-bootstrap',
+            '--tag=live-bootstrap-' + arch,
             '.')
 
     elif args.bwrap: