diff --git a/purchase_usability/__manifest__.py b/purchase_usability/__manifest__.py
index 3852328..d807ec5 100644
--- a/purchase_usability/__manifest__.py
+++ b/purchase_usability/__manifest__.py
@@ -1,24 +1,6 @@
-# -*- encoding: utf-8 -*-
-##############################################################################
-#
-#    Purchase Usability module for OpenERP
-#    Copyright (C) 2014 Akretion (http://www.akretion.com)
-#    @author Alexis de Lattre <alexis.delattre@akretion.com>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
+# -*- coding: utf-8 -*-
+# Copyright (C) 2014-2017 Akretion (http://www.akretion.com)
+# @author Alexis de Lattre <alexis.delattre@akretion.com>
 
 
 {
@@ -40,6 +22,7 @@ Please contact Alexis de Lattre from Akretion <alexis.delattre@akretion.com> for
     'depends': ['purchase'],
     'data': [
         'purchase_view.xml',
+        'stock_view.xml',
         ],
     'active': False,
 }
diff --git a/purchase_usability/purchase.py b/purchase_usability/purchase.py
index b443169..a7bb59f 100644
--- a/purchase_usability/purchase.py
+++ b/purchase_usability/purchase.py
@@ -34,6 +34,15 @@ class PurchaseOrder(models.Model):
             o.delivery_partner_id = delivery_partner_id
 
 
+class StockPicking(models.Model):
+    _inherit = 'stock.picking'
+
+    # Field added to have a clickable link from picking to PO
+    purchase_id = fields.Many2one(
+        related='move_lines.purchase_line_id.order_id', readonly=True,
+        string='Purchase Order')
+
+
 class ResPartner(models.Model):
     _inherit = 'res.partner'