diff --git a/swh/web/templates/includes/show-metadata.html b/swh/web/templates/includes/show-metadata.html
index 18c25095..39d8b684 100644
--- a/swh/web/templates/includes/show-metadata.html
+++ b/swh/web/templates/includes/show-metadata.html
@@ -1,52 +1,52 @@
 {% comment %}
 Copyright (C) 2017-2021  The Software Heritage developers
 See the AUTHORS file at the top-level directory of this distribution
 License: GNU Affero General Public License version 3, or any later version
 See top-level LICENSE file for more information
 {% endcomment %}
 
 {% load swh_templatetags %}
 
 {% if 'metadata' in swh_object_metadata and swh_object_metadata.metadata != '{}' %}
 
 <button id="swh-metadata-toggler" class="btn btn-default btn-sm swh-popover-toggler"
         data-toggle="popover" data-popover-content="#swh-metadata-popover">
   <i class="mdi mdi-table mdi-fw" aria-hidden="true"></i>
   {% if user.is_staff %}
     Legacy extrinsic metadata
   {% else %}
     Show metadata
   {% endif %}
 </button>
 
 <div id="swh-metadata-popover" style="display:none;">
   <div class="popover-heading">{{ swh_object_name }} metadata</div>
   <div class="popover-body">
     <pre class="bg-white">{{ swh_object_metadata.metadata | escape }}</pre>
   </div>
 </div>
 
 {% endif %}
 
 {% if user.is_staff %}
   {% if swhids_info %}
     <div class="btn-group">
       <button class="btn btn-default btn-sm dropdown-toggle" type="button" data-toggle="dropdown">
         <i class="mdi mdi-table mdi-fw" aria-hidden="true"></i>
         Extrinsic metadata
       </button>
       <div class="dropdown-menu swh-extrinsic-metadata-menu">
         {% for swhid_info in swhids_info %}
           <a href="{% url 'api-1-raw-extrinsic-metadata-swhid-authorities' swhid_info.swhid  %}" class="dropdown-item" role="button">
             <i class="{{ swh_object_icons|key_value:swhid_info.object_type.name.lower }} mdi-fw" aria-hidden="true"></i>
-            {{swhid_info.object_type}}
+            {{swhid_info.object_type.name.lower}}
           </a>
         {% endfor %}
       </div>
     </div>
   {% endif %}
 {% endif %}
 
 <script>
   swh.webapp.setBrowsedSwhObjectMetadata({{ swh_object_metadata|jsonify }})
 </script>