diff --git a/cmd/getgo/system_unix.go b/cmd/getgo/system_unix.go
index d2405c5c08..adc3e55c18 100644
--- a/cmd/getgo/system_unix.go
+++ b/cmd/getgo/system_unix.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
 
 package main