diff --git a/library/HTMLPurifier/Strategy/MakeWellFormed.php b/library/HTMLPurifier/Strategy/MakeWellFormed.php
index 4104a617..3d0e9b67 100644
--- a/library/HTMLPurifier/Strategy/MakeWellFormed.php
+++ b/library/HTMLPurifier/Strategy/MakeWellFormed.php
@@ -1,7 +1,8 @@
 <?php
 
-require_once 'HTMLPurifier/Generator.php';
+require_once 'HTMLPurifier/Strategy.php';
 require_once 'HTMLPurifier/Definition.php';
+require_once 'HTMLPurifier/Generator.php';
 
 class HTMLPurifier_Strategy_MakeWellFormed extends HTMLPurifier_Strategy
 {