diff --git a/addons/sale_crm/sale_crm_view.xml b/addons/sale_crm/sale_crm_view.xml
index 8a5f56181c2..0c46f0ae704 100644
--- a/addons/sale_crm/sale_crm_view.xml
+++ b/addons/sale_crm/sale_crm_view.xml
@@ -10,7 +10,7 @@
             <field name="arch" type="xml">
                 <data>
                     <xpath expr="/form/header/button[@name='stage_previous']" position="before">
-                        <button string="Convert to Quote" name="%(action_crm_make_sale)d" type="action"/>
+                        <button string="Convert to Quote" name="%(action_crm_make_sale)d" type="action" class="oe_highlight"/>
                     </xpath>
                 </data>
             </field>