diff --git a/addons/account/account_invoice_view.xml b/addons/account/account_invoice_view.xml
index ed45c705674..cd1f41af3dc 100644
--- a/addons/account/account_invoice_view.xml
+++ b/addons/account/account_invoice_view.xml
@@ -53,7 +53,7 @@
                 <form string="Invoice Line">
                     <notebook>
                         <page string="Line">
-                            <field name="product_id" on_change="product_id_change(product_id, uos_id, quantity, name, parent.type, parent.partner_id, parent.fiscal_position, price_unit, parent.address_invoice_id, parent.currency_id, {'company_id': parent.company_id})"/>
+                            <field name="product_id" on_change="product_id_change(product_id, uos_id, quantity, name, parent.type, parent.partner_id, parent.fiscal_position, price_unit, parent.address_invoice_id, parent.currency_id, context, parent.company_id)"/>
                             <field name="uos_id"  on_change="uos_id_change(product_id, uos_id, quantity, name, parent.type, parent.partner_id, parent.fiscal_position, price_unit, parent.address_invoice_id, parent.currency_id, {'company_id': parent.company_id})"/>
                             <field name="quantity"/>
                             <field name="price_unit"/>
@@ -175,7 +175,7 @@
                             <field name="check_total" required="2"/>
                             <field colspan="4" default_get="{'check_total': check_total, 'invoice_line': invoice_line, 'address_invoice_id': address_invoice_id, 'partner_id': partner_id, 'price_type': 'price_type' in dir() and price_type or False}" name="invoice_line" context="{'type': type}" nolabel="1">
                                 <tree string="Invoice lines">
-                                    <field name="product_id" on_change="product_id_change(product_id, uos_id, quantity, name, parent.type, parent.partner_id, parent.fiscal_position, price_unit, parent.address_invoice_id, parent.currency_id, {'company_id': parent.company_id})"/>
+                                    <field name="product_id" on_change="product_id_change(product_id, uos_id, quantity, name, parent.type, parent.partner_id, parent.fiscal_position, price_unit, parent.address_invoice_id, parent.currency_id, context, parent.company_id)"/>
                                     <field domain="[('company_id', '=', parent.company_id), ('journal_id', '=', parent.journal_id), ('type', '&lt;&gt;', 'view')]" name="account_id" on_change="onchange_account_id(parent.fiscal_position,account_id)"/>
                                     <field name="invoice_line_tax_id" view_mode="2" context="{'type':parent.type}" domain="[('parent_id','=',False)]"/>
                                     <field domain="[('type','&lt;&gt;','view'), ('company_id', '=', parent.company_id), ('parent_id', '!=', False)]" name="account_analytic_id" groups="analytic.group_analytic_accounting"/>
diff --git a/addons/account/invoice.py b/addons/account/invoice.py
index 8b1b2a0edda..712d000b02e 100644
--- a/addons/account/invoice.py
+++ b/addons/account/invoice.py
@@ -1312,10 +1312,12 @@ class account_invoice_line(osv.osv):
             res['arch'] = etree.tostring(doc)
         return res
 
-    def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, currency_id=False, context=None):
+    def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, currency_id=False, context=None, company_id=None):
         if context is None:
             context = {}
-        company_id = context.get('company_id',False)
+        company_id = company_id if company_id != None else context.get('company_id',False)
+        context = dict(context)
+        context.update({'company_id': company_id})
         if not partner_id:
             raise osv.except_osv(_('No Partner Defined !'),_("You must first select a partner !") )
         if not product: