diff --git a/addons/website_event/views/event_templates_page_registration.xml b/addons/website_event/views/event_templates_page_registration.xml
index 76df3dbca33..b878697fecd 100644
--- a/addons/website_event/views/event_templates_page_registration.xml
+++ b/addons/website_event/views/event_templates_page_registration.xml
@@ -159,7 +159,7 @@
                     <span t-if="not event.event_registrations_open" class="text-danger">
                         <i class="fa fa-ban me-2"/>Sold Out
                     </span>
-                    <a href="#" role="button" class="o_wevent_registration_btn d-none" data-target="#o_wevent_tickets_collapse">
+                    <a href="#" role="button" class="o_wevent_registration_btn d-none" data-bs-target="#o_wevent_tickets_collapse">
                         <span>Tickets</span>
                         <span class="btn p-0 close d-none">×</span>
                     </a>