diff --git a/module_args/nacl.gni b/module_args/nacl.gni
new file mode 100644
index 000000000..61e0768e1
--- /dev/null
+++ b/module_args/nacl.gni
@@ -0,0 +1,6 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Override nacl's build directory.
+nacl_shared_build_dir = "//build"