diff --git a/lib/default_stream.js b/lib/default_stream.js
index 42e8d390..a267dde3 100644
--- a/lib/default_stream.js
+++ b/lib/default_stream.js
@@ -2,7 +2,8 @@ var through = require('through');
 
 module.exports = function () {
     var line = '';
-    return through(write, flush);
+    var stream = through(write, flush);
+    return stream;
     
     function write (buf) {
         for (var i = 0; i < buf.length; i++) {