diff --git a/addons/point_of_sale/point_of_sale_view.xml b/addons/point_of_sale/point_of_sale_view.xml
index 51e043a3e01..3fdd96677dc 100644
--- a/addons/point_of_sale/point_of_sale_view.xml
+++ b/addons/point_of_sale/point_of_sale_view.xml
@@ -27,7 +27,7 @@
                                     <field name="product_id" on_change="onchange_product_id(parent.pricelist_id,product_id,qty,parent.partner_id)" width="275" />
                                     <field name="qty" on_change="onchange_qty(discount, qty, price_unit)"/>
                                     <field name="price_ded" on_change="onchange_ded(price_ded, price_subtotal_incl,price_unit)" invisible="1"/>
-                                    <field name="price_unit" readonly="1"/>
+                                    <field name="price_unit"/>
                                     <field name="discount" on_change="onchange_discount(discount,price_unit)" />
                                     <field name="price_subtotal" />
                                     <field name="price_subtotal_incl" sum="Subtotal"/>
@@ -51,7 +51,7 @@
                             <separator colspan="4"/>
                             <group colspan="4" col="8">
                                 <field name="state" />
-                                <button name="%(action_add_product)d" string="Add product" type="action" icon="gtk-ok" states="draft"/>
+                                <button name="%(action_add_product)d" string="Add product" type="action" icon="gtk-ok" states="draft" groups="base.group_extended"/>
                                 <button name="%(action_pos_payment)d" string="Make Payment" icon="terp-dolar" type="action" states="draft,advance" />
                                 <button name="%(action_report_pos_receipt)d" string="Reprint" icon="gtk-print" type="action" states="paid,done,invoiced"/>
                                 <button name="set_to_draft" string="Set to draft" states="paid" icon="gtk-execute" type="object" />