--- CRM/Core/ClassLoader.php
+++ CRM/Core/ClassLoader.php
@@ -81,7 +81,7 @@
     // the files might not exists, in which case we skip loading the file
     // if you change the below, please test on Joomla and also PCP pages
     $includeHTMLPurifier = TRUE;
-    $htmlPurifierPath = dirname(__FILE__) . '/../../packages/IDS/vendors/htmlpurifier/HTMLPurifier/Bootstrap.php';
+    $htmlPurifierPath = dirname(__FILE__) . '/../../packages/IDS/lib/IDS/vendors/htmlpurifier/HTMLPurifier/Bootstrap.php';
     if (
       class_exists('HTMLPurifier_Bootstrap') ||
       !file_exists($htmlPurifierPath)