diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index be1b318b30a..2ed0db774de 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -1504,7 +1504,7 @@
                                         </h2>
                                     </div>
                                 </t>
-                                <t t-if="request.env['ir.config_parameter'].sudo().get_param('auth_signup.invitation_scope', 'b2b') == 'b2c' and request.website.is_public_user()">
+                                <t t-if="request.env['res.users']._get_signup_invitation_scope() == 'b2c' and request.website.is_public_user()">
                                     <p class="alert alert-info mt-3" role="status">
                                         <a role="button" t-att-href='order.partner_id.signup_prepare() and order.partner_id.with_context(relative_url=True).signup_url' class='btn btn-primary'>Sign Up</a>
                                          to follow your order.