diff --git a/addons/sale/sale_view.xml b/addons/sale/sale_view.xml
index fc39c81e805..9c1a47f562f 100644
--- a/addons/sale/sale_view.xml
+++ b/addons/sale/sale_view.xml
@@ -109,7 +109,7 @@
                         <button name="ship_corrected" states="shipping_except" string="Ignore Exception"/>
                         <button name="action_quotation_send" string="Send by Mail" type="object" states="draft" class="oe_form_button_hi"/>
                         <button name="action_quotation_send" string="Send by Mail" type="object" states="sent"/>
-                        <button name="manual_invoice" states="manual" string="Create Final Invoice" type="object"/>
+                        <button name="manual_invoice" states="manual" string="Create Final Invoice" type="object" class="oe_highlight"/>
                         <button name="print_quotation" string="Send by Post" type="object" states="draft" class="oe_form_button_hi"/>
                         <button name="print_quotation" string="Send by Post" type="object" states="sent"/>
                         <button name="action_button_confirm" states="draft" string="Confirm" type="object"/>