diff --git a/src/net/cgo_resnew.go b/src/net/cgo_resnew.go
index a13e5d1050..3910b6fc19 100644
--- a/src/net/cgo_resnew.go
+++ b/src/net/cgo_resnew.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build cgo,!netgo
-// +build darwin linux solaris
+// +build darwin linux netbsd solaris
 
 package net
 
diff --git a/src/net/cgo_resold.go b/src/net/cgo_resold.go
index cf09e83e51..1756186aa0 100644
--- a/src/net/cgo_resold.go
+++ b/src/net/cgo_resold.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build cgo,!netgo
-// +build freebsd dragonfly netbsd openbsd
+// +build freebsd dragonfly openbsd
 
 package net