diff --git a/tools/wscript b/tools/wscript
index 41f1ea8..4fb6050 100644
--- a/tools/wscript
+++ b/tools/wscript
@@ -8,4 +8,5 @@
             target='%s' % (str(app.change_ext('', '.cpp'))),
             source=app,
             use='NDN_CXX',
+            includes='..',
             )