diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index 191bd6ec819..62033ff4874 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -270,7 +270,6 @@ class mrp_bom(osv.osv):
         """
         if context is None:
             context = {}
-            context['lang'] = self.pool.get('res.users').browse(cr,uid,uid).context_lang
             
         if product_id:
             prod = self.pool.get('product.product').browse(cr, uid, product_id, context=context)
diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index cec6fd42687..6b4032072eb 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -317,7 +317,7 @@
             <field name="arch" type="xml">
                 <form string="Bill of Material">
                     <group colspan="4" col="6">
-                        <field name="product_id" on_change="onchange_product_id(product_id, name)" select="1"/>
+                        <field name="product_id" on_change="onchange_product_id(product_id, name, context)" select="1"/>
                         <field name="name" select="1"/>
                         <field name="code" select="1" string="Reference" groups="base.group_extended"/>
                         <newline/>