diff --git a/addons/website_event/controllers/main.py b/addons/website_event/controllers/main.py
index a8b599b43a4..68cc2f73718 100644
--- a/addons/website_event/controllers/main.py
+++ b/addons/website_event/controllers/main.py
@@ -110,7 +110,7 @@ class website_hr(http.Controller):
         if not post:
             return werkzeug.utils.redirect("/event/%s/" % event_id)
 
-        return werkzeug.utils.redirect("/shop/checkout" % event_id)
+        return werkzeug.utils.redirect("/shop/checkout")
 
     @http.route(['/event/publish'], type='http', auth="public")
     def publish(self, **post):
diff --git a/addons/website_event/views/website_event.xml b/addons/website_event/views/website_event.xml
index 42f155d6267..125bec739a1 100644
--- a/addons/website_event/views/website_event.xml
+++ b/addons/website_event/views/website_event.xml
@@ -168,7 +168,7 @@
                                 <span t-att-class="'label label-important js_publish %%s' %% (event_id.website_published and 'hidden' or '')">Click to Publish</span>
                             </a>
                             <h4>Ticket Information</h4>
-                            <form t-att-action="'/event/%%s/add_cart' %% event_id.id">
+                            <form t-att-action="'/event/%%s/add_cart' %% event_id.id" method="post">
                                 <div t-foreach="event_id.product_ids" t-as="prod">
                                     <span t-field="prod.product_id"/>
                                     <span t-field="prod.price"/>