diff --git a/addons/account/report/report_vat.py b/addons/account/report/report_vat.py
index 2ad4b7a882e..0a835941187 100644
--- a/addons/account/report/report_vat.py
+++ b/addons/account/report/report_vat.py
@@ -31,6 +31,15 @@ class tax_report(report_sxw.rml_parse, common_report_header):
     def set_context(self, objects, data, ids, report_type=None):
         new_ids = ids
         res = {}
+        if not data:
+            company_id = self.pool['res.users'].browse(self.cr, self.uid, self.uid).company_id.id
+            data = {
+                'form': {
+                    'based_on': 'invoices',
+                    'company_id': company_id,
+                    'display_detail': False,
+                }
+            }
         self.period_ids = []
         period_obj = self.pool.get('account.period')
         self.display_detail = data['form']['display_detail']