diff --git a/src/pkg/net/Makefile b/src/pkg/net/Makefile
index cc895f75680..8e634d6a56c 100644
--- a/src/pkg/net/Makefile
+++ b/src/pkg/net/Makefile
@@ -86,11 +86,13 @@ GOFILES_linux+=cgo_stub.go
 endif
 
 GOFILES_openbsd=\
-	dnsclient.go\
+	dnsclient_unix.go\
 	dnsconfig.go\
 	fd.go\
 	file.go\
 	interface_bsd.go\
+	interface_openbsd.go\
+	lookup_unix.go\
 	newpollserver.go\
 	port.go\
 	sendfile_stub.go\
diff --git a/src/pkg/net/interface_openbsd.go b/src/pkg/net/interface_openbsd.go
new file mode 100644
index 00000000000..f18149393a5
--- /dev/null
+++ b/src/pkg/net/interface_openbsd.go
@@ -0,0 +1,16 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Network interface identification for OpenBSD
+
+package net
+
+import "os"
+
+// If the ifindex is zero, interfaceMulticastAddrTable returns
+// addresses for all network interfaces.  Otherwise it returns
+// addresses for a specific interface.
+func interfaceMulticastAddrTable(ifindex int) ([]Addr, os.Error) {
+	return nil, nil
+}