diff --git a/test/helper.rb b/test/helper.rb
index 491a41c7..0bd181bf 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,4 +1,5 @@
 require 'rubygems'
+require 'test/unit'
 gem 'RedCloth', '>= 4.2.1'
 
 require 'jekyll'