diff --git a/account_move_line_start_end_dates_xls/__init__.py b/account_move_line_start_end_dates_xls/__init__.py
index a4a72bd..0c1006d 100644
--- a/account_move_line_start_end_dates_xls/__init__.py
+++ b/account_move_line_start_end_dates_xls/__init__.py
@@ -1,23 +1,3 @@
 # -*- coding: utf-8 -*-
-##############################################################################
-#
-#    Account Move Line Start End Dates XLS 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/>.
-#
-##############################################################################
 
 from . import account_move_line
diff --git a/account_move_line_start_end_dates_xls/__openerp__.py b/account_move_line_start_end_dates_xls/__openerp__.py
index 159c590..b246871 100644
--- a/account_move_line_start_end_dates_xls/__openerp__.py
+++ b/account_move_line_start_end_dates_xls/__openerp__.py
@@ -1,8 +1,8 @@
-# -*- encoding: utf-8 -*-
+# -*- coding: utf-8 -*-
 ##############################################################################
 #
-#    Account Move Line Start End Dates XLS module for OpenERP
-#    Copyright (C) 2014 Akretion (http://www.akretion.com/)
+#    Account Move Line Start End Dates XLS module for Odoo
+#    Copyright (C) 2014-2016 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
@@ -33,11 +33,12 @@ Account Move Line Start End Dates XLS
 
 This module adds *Start Date* and *End Date* in the XLS export of the account move lines.
 
-Please contact Alexis de Lattre from Akretion <alexis.delattre@akretion.com> for any help or question about this module.
+This module has been written by Alexis de Lattre from Akretion
+<alexis.delattre@akretion.com>.
 """,
     'author': 'Akretion',
     'website': 'http://www.akretion.com/',
     'depends': ['account_cutoff_prepaid', 'account_move_line_report_xls'],
     'data': [],
-    'installable': False,
+    'installable': True,
 }
diff --git a/account_move_line_start_end_dates_xls/account_move_line.py b/account_move_line_start_end_dates_xls/account_move_line.py
index 53c38fa..c47f24d 100644
--- a/account_move_line_start_end_dates_xls/account_move_line.py
+++ b/account_move_line_start_end_dates_xls/account_move_line.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 ##############################################################################
 #
-#    Account Move Line Start End Dates XLS module for OpenERP
-#    Copyright (C) 2014 Akretion (http://www.akretion.com/)
+#    Account Move Line Start End Dates XLS module for Odoo
+#    Copyright (C) 2014-2016 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
@@ -21,17 +21,22 @@
 ##############################################################################
 
 import xlwt
-from openerp.osv import orm
+from openerp import models, api
 from openerp.addons.report_xls.utils import _render
 from openerp.addons.report_xls.report_xls import report_xls
 
 
-class account_move_line(orm.Model):
+class AccountMoveLine(models.Model):
     _inherit = 'account.move.line'
 
-    def _report_xls_template(self, cr, uid, context=None):
-        res = super(account_move_line, self)._report_xls_template(
-            cr, uid, context=context)
+    @api.model
+    def _report_xls_fields(self):
+        res = super(AccountMoveLine, self)._report_xls_fields()
+        return res + ['start_date', 'end_date']
+
+    @api.model
+    def _report_xls_template(self):
+        res = super(AccountMoveLine, self)._report_xls_template()
         bc = '22'
         aml_cell_style_date = xlwt.easyxf(
             'borders: left thin, right thin, top thin, bottom thin, '