diff --git a/lib/Doctrine/Parser/Yml.php b/lib/Doctrine/Parser/Yml.php
index 690eb34c6..2a36f1240 100644
--- a/lib/Doctrine/Parser/Yml.php
+++ b/lib/Doctrine/Parser/Yml.php
@@ -1,5 +1,5 @@
 <?php
-//require_once('spyc.php');
+require_once('spyc.php');
 
 /*
  *  $Id: Yml.php 1080 2007-02-10 18:17:08Z jwage $
@@ -72,4 +72,4 @@ class Doctrine_Parser_Yml extends Doctrine_Parser
         
         return $array;
     }
-}
\ No newline at end of file
+}