diff --git a/logtail/filch/filch_stub.go b/logtail/filch/filch_stub.go
index e69ce74cb..3bb82b190 100644
--- a/logtail/filch/filch_stub.go
+++ b/logtail/filch/filch_stub.go
@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-//go:build wasm || plan9
+//go:build wasm || plan9 || tamago
 
 package filch