diff --git a/.travis.yml b/.travis.yml
index 96e5adf1..2520fc1a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,8 +21,6 @@ virtualenv:
   system_site_packages: true
 
 install:
-  - pip install xlwt
-  - pip install xlsxwriter
   - git clone https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
   - export PATH=${HOME}/maintainer-quality-tools/travis:${PATH}
   - travis_install_nightly ${VERSION}
diff --git a/report_xlsx/README.rst b/report_xlsx/README.rst
index eb3cdb24..03821ebd 100644
--- a/report_xlsx/README.rst
+++ b/report_xlsx/README.rst
@@ -8,6 +8,13 @@ Base report xlsx
 
 This module provides a basic report class to generate xlsx report.
 
+Installation
+============
+
+Make sure you have ``xlsxwriter`` Python module installed::
+
+$ pip install xlsxwriter
+
 Usage
 =====
 
@@ -31,6 +38,9 @@ A python class ::
     partner_xlsx('report.res.partner.xlsx',
                  'res.partner')
 
+To manipulate the ``workbook`` and ``sheet`` objects, refer to the
+`documentation <http://xlsxwriter.readthedocs.org/>`_ of ``xlsxwriter``.
+
 A report XML record ::
 
     <report 
@@ -74,4 +84,4 @@ This module is maintained by the OCA.
 
 OCA, or the Odoo Community Association, is a nonprofit organization whose mission is to support the collaborative development of Odoo features and promote its widespread use.
 
-To contribute to this module, please visit https://odoo-community.org.
\ No newline at end of file
+To contribute to this module, please visit https://odoo-community.org.
diff --git a/report_xlsx/models/ir_report.py b/report_xlsx/models/ir_report.py
index 37928be7..e3793ae6 100644
--- a/report_xlsx/models/ir_report.py
+++ b/report_xlsx/models/ir_report.py
@@ -2,7 +2,7 @@
 # Copyright 2015 ACSONE SA/NV (<http://acsone.eu>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from openerp import api, fields, models
+from openerp import fields, models
 
 
 class IrActionsReportXml(models.Model):
diff --git a/report_xlsx/report/report_xlsx.py b/report_xlsx/report/report_xlsx.py
index 9b96fa7d..aab372b4 100644
--- a/report_xlsx/report/report_xlsx.py
+++ b/report_xlsx/report/report_xlsx.py
@@ -2,9 +2,10 @@
 # Copyright 2015 ACSONE SA/NV (<http://acsone.eu>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
+from cStringIO import StringIO
+
 from openerp.report.report_sxw import report_sxw
 from openerp.api import Environment
-from cStringIO import StringIO
 
 import logging
 _logger = logging.getLogger(__name__)
@@ -24,11 +25,15 @@ class ReportXlsx(report_sxw):
         if report.ids:
             self.title = report.name
             if report.report_type == 'xlsx':
-                objs = self.env[self.table].browse(ids)
-                return self.create_xlsx_report(data, objs)
+                return self.create_xlsx_report(ids, data, report)
         return super(ReportXlsx, self).create(cr, uid, ids, data, context)
 
-    def create_xlsx_report(self, data, objs):
+    def create_xlsx_report(self, ids, data, report):
+        self.parser_instance = self.parser(
+            self.env.cr, self.env.uid, self.name2, self.env.context)
+        objs = self.getObjects(
+            self.env.cr, self.env.uid, ids, self.env.context)
+        self.parser_instance.set_context(objs, data, objs.ids, 'xlsx')
         file_data = StringIO()
         workbook = xlsxwriter.Workbook(file_data)
         self.generate_xlsx_report(workbook, data, objs)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..3ccfc8e7
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+xlwt
+xlsxwriter