diff --git a/configure b/configure
index 06ccb26e9be2ab..81131f94e958e0 100755
--- a/configure
+++ b/configure
@@ -1370,8 +1370,7 @@ if options.prefix:
 
 config = '\n'.join(map('='.join, config.iteritems())) + '\n'
 
-write('config.mk',
-      '# Do not edit. Generated by the configure script.\n' + config)
+write('config.mk', do_not_edit + config)
 
 gyp_args = [sys.executable, 'tools/gyp_node.py', '--no-parallel']