diff --git a/dhcpv4/nclient4/conn_linux.go b/dhcpv4/nclient4/conn_unix.go
similarity index 97%
rename from dhcpv4/nclient4/conn_linux.go
rename to dhcpv4/nclient4/conn_unix.go
index 6cdb0717..bece7523 100644
--- a/dhcpv4/nclient4/conn_linux.go
+++ b/dhcpv4/nclient4/conn_unix.go
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build go1.12
+//go:build go1.12 && (darwin || freebsd || linux || netbsd || openbsd)
 // +build go1.12
+// +build darwin freebsd linux netbsd openbsd
 
 package nclient4