diff --git a/addons/account/account.py b/addons/account/account.py
index d51f6f8cdfd..bcbf1b863a5 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -301,11 +301,10 @@ class account_account(osv.osv):
                 for fn in field_names:
                     sums.setdefault(current.id, {})[fn] = accounts.get(current.id, {}).get(fn, 0.0)
                     for child in current.child_id:
-                        if sums.get(child.id, False):
-                            if child.company_id.currency_id.id == current.company_id.currency_id.id:
-                                sums[current.id][fn] += sums[child.id][fn]
-                            else:
-                                sums[current.id][fn] += currency_obj.compute(cr, uid, child.company_id.currency_id.id, current.company_id.currency_id.id, sums[child.id][fn], context=context)
+                        if child.company_id.currency_id.id == current.company_id.currency_id.id:
+                            sums[current.id][fn] += sums[child.id][fn]
+                        else:
+                            sums[current.id][fn] += currency_obj.compute(cr, uid, child.company_id.currency_id.id, current.company_id.currency_id.id, sums[child.id][fn], context=context)
             res = {}
             null_result = dict((fn, 0.0) for fn in field_names)
             for id in ids:
diff --git a/addons/point_of_sale/point_of_sale.py b/addons/point_of_sale/point_of_sale.py
index 8873ecf07e4..846c9e44514 100644
--- a/addons/point_of_sale/point_of_sale.py
+++ b/addons/point_of_sale/point_of_sale.py
@@ -70,6 +70,7 @@ class pos_order(osv.osv):
         return super(pos_order, self).unlink(cr, uid, ids, context=context)
 
     def onchange_partner_pricelist(self, cr, uid, ids, part=False, context=None):
+
         """ Changed price list on_change of partner_id"""
         if not part:
             return {'value': {}}
@@ -647,6 +648,7 @@ class pos_order(osv.osv):
                 'reference': order.name,
                 'partner_id': order.partner_id.id,
                 'comment': order.note or '',
+                'currency_id': order.partner_id.property_product_pricelist.currency_id.id, # considering partner's sale pricelist's currency
             }
             inv.update(inv_ref.onchange_partner_id(cr, uid, [], 'out_invoice', order.partner_id.id)['value'])
             if not inv.get('account_id', None):
diff --git a/addons/point_of_sale/point_of_sale_view.xml b/addons/point_of_sale/point_of_sale_view.xml
index 5bf85aba602..50108d26dad 100644
--- a/addons/point_of_sale/point_of_sale_view.xml
+++ b/addons/point_of_sale/point_of_sale_view.xml
@@ -88,7 +88,7 @@
                             </group>
                             <group colspan="4">
                                 <field name="sale_journal" domain="[('type','=','sale')]" widget="selection" invisible="1"/>
-                                <field name="pricelist_id" domain="[('type','=','sale')]" widget="selection" invisible="1"/>
+                                <field name="pricelist_id" domain="[('type','=','sale')]" widget="selection" invisible="0"/>
                             </group>
                         </page>
                         <page string="Notes" >