diff --git a/addons/website_event/controllers/main.py b/addons/website_event/controllers/main.py
index acff56f9321..9e86e2ddeba 100644
--- a/addons/website_event/controllers/main.py
+++ b/addons/website_event/controllers/main.py
@@ -181,7 +181,10 @@ class WebsiteEventController(http.Controller):
     def event_register(self, event, **post):
         if not event.can_access_from_current_website():
             raise werkzeug.exceptions.NotFound()
-
+        if not request.context.get('pricelist'):
+            pricelist = request.website.get_current_pricelist()
+            if pricelist:
+                event = event.with_context(pricelist=pricelist.id)
         values = {
             'event': event,
             'main_object': event,