diff --git a/ippisite/ippidb/templates/biblio_simplelink.html b/ippisite/ippidb/templates/biblio_simplelink.html
index a49c58f8d01eb1297709b7f3216929b5a9718be0..04fb6b2981b84fa9859b44474bd24f69ed9c7487 100644
--- a/ippisite/ippidb/templates/biblio_simplelink.html
+++ b/ippisite/ippidb/templates/biblio_simplelink.html
@@ -1 +1 @@
-<a target="_blank" class="card-link" href="{{bibliography.get_external_url}}"</a>
+<a target="_blank" class="card-link" href="{{bibliography.get_external_url}}">{{ bibliography.id_source }}</a>