diff --git a/addons/account/account.py b/addons/account/account.py
index 72ce11f05ea..b23ac2d0ee1 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1095,10 +1095,14 @@ class account_period(osv.osv):
             raise osv.except_osv(_('Error'), _('You should have chosen periods that belongs to the same company'))
         if period_date_start > period_date_stop:
             raise osv.except_osv(_('Error'), _('Start period should be smaller then End period'))
-        #for period from = january, we want to exclude the opening period (but it has same date_from, so we have to check if period_from is special or not to include that clause or not in the search).
+
+        # /!\ We do not include a criterion on the company_id field below, to allow producing consolidated reports
+        # on multiple companies. It will only work when start/end periods are selected and no fiscal year is chosen. 
+
+        # for period from = january, we want to exclude the opening period (but it has same date_from, so we have to check if period_from is special or not to include that clause or not in the search).
         if period_from.special:
-            return self.search(cr, uid, [('date_start', '>=', period_date_start), ('date_stop', '<=', period_date_stop), ('company_id', '=', company1_id)])
-        return self.search(cr, uid, [('date_start', '>=', period_date_start), ('date_stop', '<=', period_date_stop), ('company_id', '=', company1_id), ('special', '=', False)])
+            return self.search(cr, uid, [('date_start', '>=', period_date_start), ('date_stop', '<=', period_date_stop)])
+        return self.search(cr, uid, [('date_start', '>=', period_date_start), ('date_stop', '<=', period_date_stop), ('special', '=', False)])
 
 account_period()