diff --git a/cmd/signaler_unix.go b/cmd/signaler_unix.go
index 666819e9c..5ed5b1457 100644
--- a/cmd/signaler_unix.go
+++ b/cmd/signaler_unix.go
@@ -1,4 +1,4 @@
-//go:build unix
+//go:build !windows && !plan9
 
 package cmd