diff --git a/atomicfile/atomicfile_test.go b/atomicfile/atomicfile_test.go
index b52e79c2b..6f0f47531 100644
--- a/atomicfile/atomicfile_test.go
+++ b/atomicfile/atomicfile_test.go
@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build !js && !windows
+//go:build linux
 
 package atomicfile