diff --git a/addons/sale_quotation_builder/controllers/portal.py b/addons/sale_quotation_builder/controllers/portal.py
index 55a8f4f84d9..3b2d52ee187 100644
--- a/addons/sale_quotation_builder/controllers/portal.py
+++ b/addons/sale_quotation_builder/controllers/portal.py
@@ -3,12 +3,17 @@
 
 from odoo import http
 from odoo.http import request
+from odoo.addons.http_routing.models.ir_http import unslug
 from odoo.addons.portal.controllers.portal import CustomerPortal
 
 
 class CustomerPortal(CustomerPortal):
 
-    @http.route(["/sale_quotation_builder/template/<model('sale.order.template'):template>"], type='http', auth="user", website=True)
-    def sale_quotation_builder_template_view(self, template, **post):
+    @http.route(["/sale_quotation_builder/template/<string:template_id>"], type='http', auth="user", website=True)
+    def sale_quotation_builder_template_view(self, template_id, **post):
+        template_id = unslug(template_id)[-1]
+        template = request.env['sale.order.template'].browse(template_id).with_context(
+            allowed_company_ids=request.env.user.company_ids.ids,
+        )
         values = {'template': template}
         return request.render('sale_quotation_builder.so_template', values)