diff --git a/mysql/migration/2.0.0-2.1.0.sql b/mysql/migration/2.0.0-2.1.0.sql
index c83ed340b7a..f18947c8606 100644
--- a/mysql/migration/2.0.0-2.1.0.sql
+++ b/mysql/migration/2.0.0-2.1.0.sql
@@ -475,4 +475,13 @@ create table llx_accountingdebcred
 
 alter table llx_facturedet_rec add column total_ht real;
 alter table llx_facturedet_rec add column total_tva real;
-alter table llx_facturedet_rec add column total_ttc real;
\ No newline at end of file
+alter table llx_facturedet_rec add column total_ttc real;
+
+
+-- Supprimme orphelins pour permettre montée de la clé
+-- V4 DELETE llx_boxes FROM llx_boxes LEFT JOIN llx_boxes_def ON llx_boxes.box_id = llx_boxes_def.rowid WHERE llx_boxes_def.rowid IS NULL;
+
+ALTER TABLE llx_boxes ADD INDEX idx_boxes_boxid (box_id);
+ALTER TABLE llx_boxes ADD CONSTRAINT fk_boxes_box_id FOREIGN KEY (box_id) REFERENCES llx_boxes_def (rowid);
+
+ALTER TABLE llx_boxes ADD INDEX idx_boxes_fk_user (fk_user);
diff --git a/mysql/tables/llx_boxes.key.sql b/mysql/tables/llx_boxes.key.sql
new file mode 100644
index 00000000000..4a3c57a4e3e
--- /dev/null
+++ b/mysql/tables/llx_boxes.key.sql
@@ -0,0 +1,29 @@
+-- ===================================================================
+-- Copyright (C) 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
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+--
+-- $Id$
+-- $Source$
+-- ===================================================================
+
+
+-- Supprimme orphelins pour permettre montée de la clé
+-- V4 DELETE llx_boxes FROM llx_boxes LEFT JOIN llx_boxes_def ON llx_boxes.box_id = llx_boxes_def.rowid WHERE llx_boxes_def.rowid IS NULL;
+
+ALTER TABLE llx_boxes ADD INDEX idx_boxes_boxid (box_id);
+ALTER TABLE llx_boxes ADD CONSTRAINT fk_boxes_box_id FOREIGN KEY (box_id) REFERENCES llx_boxes_def (rowid);
+
+ALTER TABLE llx_boxes ADD INDEX idx_boxes_fk_user (fk_user);
\ No newline at end of file