diff -r b6b9e9635cec -r a07ea7805cc4 src/iconolab_mcc/templates/iconolab/metadatas/detail_image_metadatas.html
--- a/src/iconolab_mcc/templates/iconolab/metadatas/detail_image_metadatas.html	Thu Jul 05 12:22:29 2018 +0200
+++ b/src/iconolab_mcc/templates/iconolab/metadatas/detail_image_metadatas.html	Thu Jul 05 12:43:26 2018 +0200
@@ -14,9 +14,14 @@
   {% if item.metadatas.metadata_obj.inventory_number %}<dt>Numéro d'inventaire</dt><dd>{{item.metadatas.metadata_obj.inventory_number}}</dd>{% endif %}
 </dl>
 {% if item.metadatas.metadata_obj.joconde_ref %}
+{% with item_link_url=item.get_item_link_url item_link_text=item.get_item_link_text %}
+{% if item_link_url and item_link_text %}
 <p class="text-center">
-  <a href= "{% joconde_link item.metadatas %}" target="_blank">
-  Cet objet dans Joconde catalogue collectif des collections des musées de France
+  <a href= "{{item_link_url}}" target="_blank">
+  {{item_link_text}}
   </a>
 </p>
 {% endif %}
+{% endwith %}
+{% endif %}
+