diff --git a/htdocs/user/group/perms.php b/htdocs/user/group/perms.php
index c37e90be53f..2cacc0c9c3b 100644
--- a/htdocs/user/group/perms.php
+++ b/htdocs/user/group/perms.php
@@ -34,9 +34,14 @@ $langs->load("users");
 
 $module=isset($_GET["module"])?$_GET["module"]:$_POST["module"];
 
-// Defini si peux modifier utilisateurs et permisssions
-$caneditperms=($user->admin || $user->rights->user->user->creer);
-$caneditselfperms=($user->admin || $user->rights->user->self->perms);
+// Defini si peux lire les permissions
+$canreadperms=($user->admin || ($user->rights->user->group->read && $user->rights->user->group->readperms));
+
+if (! $canreadperms) accessforbidden();
+
+// Defini si peux modifier les permissions
+$caneditperms=($user->admin || $user->rights->user->group->write);
+
 
 /**
  * Actions
diff --git a/htdocs/user/perms.php b/htdocs/user/perms.php
index 99777f1779d..f177e91ff71 100644
--- a/htdocs/user/perms.php
+++ b/htdocs/user/perms.php
@@ -3,7 +3,7 @@
  * Copyright (C) 2002-2003 Jean-Louis Bergamo   <jlb@j1b.org>
  * Copyright (C) 2004-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2004      Eric Seigne          <eric.seigne@ryxeo.com>
- * Copyright (C) 2005-2009 Regis Houssin        <regis@dolibarr.fr>
+ * Copyright (C) 2005-2010 Regis Houssin        <regis@dolibarr.fr>
  *
  * 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