diff --git a/koha-tmpl/opac-tmpl/prog/en/modules/opac-authoritiesdetail.tt b/koha-tmpl/opac-tmpl/prog/en/modules/opac-authoritiesdetail.tt
index 02dfc2579f..db354d326e 100644
--- a/koha-tmpl/opac-tmpl/prog/en/modules/opac-authoritiesdetail.tt
+++ b/koha-tmpl/opac-tmpl/prog/en/modules/opac-authoritiesdetail.tt
@@ -65,7 +65,7 @@ function showChildren(mynumber) {
         [% FOREACH Tag0X IN Tab0XX %]
         <p><b>[% Tag0X.tag %]</b></p>
         <ul>
-        [% FOREACH subfiel IN Tag.0X.subfield %]
+        [% FOREACH subfiel IN Tag0X.subfield %]
                 <p><b>[% subfiel.marc_lib %]:</b> [% subfiel.marc_value %]</p>
             [% END %]
         </ul>