diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index 3d020f2684d..b588fe56702 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -22,7 +22,7 @@
 /**
  *	\file       htdocs/install/upgrade2.php
  *	\brief      Upgrade some data
- *	\version    $Id: upgrade2.php,v 1.185 2011/07/28 14:27:57 eldy Exp $
+ *	\version    $Id: upgrade2.php,v 1.186 2011/07/28 15:30:27 eldy Exp $
  */
 
 include_once('./inc.php');
@@ -3176,6 +3176,7 @@ function migrate_delete_old_files($db,$langs,$conf)
     DOL_DOCUMENT_ROOT.'/includes/modules/modProduit.class.php',
     DOL_DOCUMENT_ROOT.'/phenix/inc/triggers/interface_modPhenix_Phenixsynchro.class.php',
     DOL_DOCUMENT_ROOT.'/webcalendar/inc/triggers/interface_modWebcalendar_webcalsynchro.class.php',
+    DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modWebcalendar_Webcalsynchro.class.php',
     DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modCommande_Ecotax.class.php',
     DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modCommande_fraisport.class.php',
     DOL_DOCUMENT_ROOT.'/includes/triggers/interface_modPropale_PropalWorkflow.class.php',