diff --git a/rma_account/wizards/rma_add_invoice.xml b/rma_account/wizards/rma_add_invoice.xml
index 76023bd8..29e3fda9 100644
--- a/rma_account/wizards/rma_add_invoice.xml
+++ b/rma_account/wizards/rma_add_invoice.xml
@@ -23,7 +23,7 @@
                         <field name="quantity"/>
                         <field name="uom_id" groups="uom.group_uom"/>
                         <field name="price_unit"/>
-                        <field name="discount" groups="sale.group_discount_per_so_line"/>
+                        <field name="discount" groups="base.group_no_one"/>
                         <field name="price_subtotal"/>
                         <field name="currency_id" invisible="1"/>
                     </tree>
@@ -62,7 +62,7 @@
                         <field name="quantity"/>
                         <field name="uom_id" groups="uom.group_uom"/>
                         <field name="price_unit"/>
-                        <field name="discount" groups="sale.group_discount_per_so_line"/>
+                        <field name="discount" groups="base.group_no_one"/>
                         <field name="price_subtotal"/>
                         <field name="currency_id" invisible="1"/>
                     </tree>