--- a/src/point-to-point-layout/wscript	Wed Sep 07 12:18:37 2011 -0700
+++ b/src/point-to-point-layout/wscript	Thu Sep 08 16:13:40 2011 +0100
@@ -9,7 +9,7 @@
         'model/point-to-point-star.cc',
         ]
 
-    headers = bld.new_task_gen('ns3header')
+    headers = bld.new_task_gen(features=['ns3header'])
     headers.module = 'point-to-point-layout'
     headers.source = [
         'model/point-to-point-dumbbell.h',