diff --git a/templates/base.html b/templates/base.html
index dfe0d3add4cbe3aac21352e9d72b2ca219b2f028..6e6b06864b74c3dea9788ab0a03d7db2ab0e7053 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -4,7 +4,11 @@
{% set thing = section -%}
{% endif -%}
<!DOCTYPE html>
-<html lang="{{ lang }}" data-theme="light" {% if current_path %}resource="https://www.teckids.org{{ current_path }}"{% endif %} typeof="{% block rdfa_type %}{{ thing.extra.microdata.type | default(value='schema:WebPage') }}{% endblock rdfa_type %}">
+<html lang="{{ lang }}" data-theme="light"
+ {% if current_path %}resource="https://www.teckids.org{{ current_path }}"{% endif %}
+ typeof="{% block rdfa_type %}{{ thing.extra.microdata.type | default(value='schema:WebPage') }}{% endblock rdfa_type %}"
+ prefix="event: https://ticdesk.teckids.org/o/paweljong/Event/"
+>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
diff --git a/templates/shortcodes/teckids_event.html b/templates/shortcodes/teckids_event.html
index 0257b501dc72e641f367b786c0fea42eb39254f3..9d0db8f8cafb6d8aca69d8ad2036feb83b986779 100644
--- a/templates/shortcodes/teckids_event.html
+++ b/templates/shortcodes/teckids_event.html
@@ -1,7 +1,7 @@
{% set events_data = load_data(path="events.json") -%}
{% set event = events_data[slug] -%}
{% if not no_title %}<h2 class="title is-2">{{ title | default(value="Informationen und Anmeldung") }}</h2>{% endif %}
-<section class="section event-section" resource="https://ticdesk.teckids.org/app/paweljong/event/{{ slug }}" vocab="http://schema.org/" typeof="Event">
+<section class="section event-section" resource="event:{{ slug }}" vocab="http://schema.org/" typeof="Event">
<meta property="organizer" href="https://teckids.org/"/>
<div class="card event-card">
<div class="card-content">
@@ -50,7 +50,7 @@
<div class="column is-one-third">
<div class="buttons are-responsive are-medium">
<a class="button is-primary is-fullwidth is-justify-content-start"
- href="https://ticdesk.teckids.org/app/paweljong/event/{{ slug }}">
+ href="event:{{ slug }}">
<span class="icon"><i class="fa-regular fa-paper-plane"></i></span>
<span>{{ trans(key="event_info_registration", lang=lang) }}</span>
</a>