diff --git a/htdocs/install/etape2.php b/htdocs/install/etape2.php
index 91dd0f5592b..e0c4c404e90 100644
--- a/htdocs/install/etape2.php
+++ b/htdocs/install/etape2.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2004      Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2004-2005 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2004-2006 Laurent Destailleur  <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -239,6 +239,7 @@ if ($_POST["action"] == "set")
                         {
                             if ($db->errno() == 'DB_ERROR_KEY_NAME_ALREADY_EXISTS' ||
                                 $db->errno() == 'DB_ERROR_CANNOT_CREATE' ||
+                                $db->errno() == 'DB_ERROR_PRIMARY_KEY_ALREADY_EXISTS' ||
                                 eregi('duplicate key name',$db->error()))
                             {
                                 //print "<td>Déjà existante</td></tr>";