diff --git a/metropolis/installer/test/testos/BUILD.bazel b/metropolis/installer/test/testos/BUILD.bazel
index c41fbee..c7d58f0 100644
--- a/metropolis/installer/test/testos/BUILD.bazel
+++ b/metropolis/installer/test/testos/BUILD.bazel
@@ -6,7 +6,7 @@
 erofs_image(
     name = "rootfs",
     files = {
-        ":testos": "/init",
+        "/init": ":testos",
     },
 )