diff --git a/templates/web/report/form_date_and_base.html.twig b/templates/web/report/form_date_and_base.html.twig
index 40a872a4d9..aeb5cdede9 100644
--- a/templates/web/report/form_date_and_base.html.twig
+++ b/templates/web/report/form_date_and_base.html.twig
@@ -27,13 +27,13 @@
                         {% trans %}Deselect all{% endtrans %}
                     </a>
                 </li>
-                {% for databox in granted_bases %}
+                {% for sbas_id,databox in granted_bases %}
                     <li><label data-group-id="{{ loop.index }}" class="multiselect-group"><b>{{ databox.name }}</b></label></li>
                     {% for collection in databox.collections %}
                         <li>
                             <a href="javascript:void(0);">
                                 <label class="checkbox">
-                                    <input name="popbases[]" checked="checked" type="checkbox" class="coll-checkbox checkbox-{{ loop.parent.loop.index }}" value="{{ collection.base_id}}_{{ collection.id }}">
+                                    <input name="popbases[]" checked="checked" type="checkbox" class="coll-checkbox checkbox-{{ loop.parent.loop.index }}" value="{{ sbas_id }}_{{ collection.id }}">
                                     {{ collection.name }}
                                 </label>
                             </a>