diff --git a/signal_syscall.go b/signal_syscall.go
new file mode 100644
index 0000000000..4a4d956573
--- /dev/null
+++ b/signal_syscall.go
@@ -0,0 +1,16 @@
+// Copyright (c) 2021-2022 The Decred developers
+// Use of this source code is governed by an ISC
+// license that can be found in the LICENSE file.
+//
+//go:build windows || aix || android || darwin || dragonfly || freebsd || hurd || illumos || ios || linux || netbsd || openbsd || solaris
+// +build windows aix android darwin dragonfly freebsd hurd illumos ios linux netbsd openbsd solaris
+
+package main
+
+import (
+	"syscall"
+)
+
+func init() {
+	interruptSignals = append(interruptSignals, syscall.SIGTERM, syscall.SIGHUP)
+}
diff --git a/signal_unix.go b/signal_unix.go
deleted file mode 100644
index 5f0b7ce733..0000000000
--- a/signal_unix.go
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (c) 2016 The btcsuite developers
-// Copyright (c) 2021 The Decred developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
-
-package main
-
-import (
-	"os"
-	"syscall"
-)
-
-func init() {
-	interruptSignals = []os.Signal{
-		os.Interrupt,
-		syscall.SIGTERM,
-		syscall.SIGHUP,
-	}
-}