diff --git a/vc_dummy/indico_vc_dummy/templates/manage_event_create_room.html b/vc_dummy/indico_vc_dummy/templates/manage_event_create_room.html
index ed9f7ec..bffe2b6 100644
--- a/vc_dummy/indico_vc_dummy/templates/manage_event_create_room.html
+++ b/vc_dummy/indico_vc_dummy/templates/manage_event_create_room.html
@@ -6,12 +6,10 @@
 {% endblock %}
 {% block subtitle %}{{ plugin.title }}{% endblock %}
 {%- block content %}
-    {{ form_header(id='vc-room-form') }}
-
+    {{ form_header(form, id='vc-room-form') }}
     {{ form_rows(form) }}
-
-    {% call form_footer() %}
-        <input class="i-button big highlight" type="submit" value="{% trans %}Save{% endtrans %}">
+    {% call form_footer(form) %}
+        <input class="i-button big highlight" type="submit" value="{% trans %}Save{% endtrans %}" data-disabled-until-change>
         <a href="{{ url_for('vc.manage_vc_rooms', event) }}" class="i-button big" data-button-back>{% trans %}Cancel{% endtrans %}</a>
     {% endcall %}
 {%- endblock %}