diff --git a/livesync/indico_livesync/templates/edit_agent.html b/livesync/indico_livesync/templates/edit_agent.html
index 6056fde..9cee2d8 100644
--- a/livesync/indico_livesync/templates/edit_agent.html
+++ b/livesync/indico_livesync/templates/edit_agent.html
@@ -21,7 +21,7 @@
         {{ form_row(field) }}
     {% endfor %}
     {% call form_footer(form) %}
-        <input class="i-button big highlight" type="submit" value="{% trans %}Save{% endtrans %}" data-disabled-until-change>
+        <input class="i-button big highlight" type="submit" value="{% trans %}Save{% endtrans %}" {% if agent %}data-disabled-until-change{% endif %}>
         <a href="{{ url_for('plugins.details', plugin='livesync') }}" class="i-button big">{% trans %}Cancel{% endtrans %}</a>
     {% endcall %}
 {% endblock %}