diff --git a/addons/sale/wizard/sale_make_invoice_advance.xml b/addons/sale/wizard/sale_make_invoice_advance.xml
index 17821f519a6..2decdd60f0b 100644
--- a/addons/sale/wizard/sale_make_invoice_advance.xml
+++ b/addons/sale/wizard/sale_make_invoice_advance.xml
@@ -22,9 +22,9 @@
                         <label for="amount" attrs="{'invisible': [('advance_payment_method', 'not in', ('fixed','percentage'))]}"/>
                         <div attrs="{'invisible': [('advance_payment_method', 'not in', ('fixed','percentage'))]}">
                             <field name="amount"
-                                attrs="{'required': [('advance_payment_method', 'in', ('fixed','percentage'))]}"/>
+                                attrs="{'required': [('advance_payment_method', 'in', ('fixed','percentage'))]}" class="oe_inline"/>
                             <label string="%%"
-                                attrs="{'invisible': [('advance_payment_method', '!=', 'percentage')]}"/>
+                                attrs="{'invisible': [('advance_payment_method', '!=', 'percentage')]}" class="oe_inline"/>
                         </div>
                     </group>
                     <div>