diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc_subfields_structure.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc_subfields_structure.tt
index e4c9d25a0f..2e457fce94 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc_subfields_structure.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc_subfields_structure.tt
@@ -270,8 +270,8 @@ function populateHiddenCheckboxes(tab) {
                     </div>
 
 
-            <h3><a href="#adv[% loo.urisubfieldcode %]">Advanced constraints</a></h3>
-            <div id="adv[% loo.urisubfieldcode %]">
+            <h3><a href="#advanced[% loo.urisubfieldcode %]">Advanced constraints</a></h3>
+            <div id="advanced[% loo.urisubfieldcode %]">
             <fieldset class="rows">
                 <ol><li><label for="defaultvalue[% loo.row %]">Default value:</label>
                     <input type="text" name="defaultvalue" id="defaultvalue[% loo.row %]" value="[% loo.defaultvalue %]" /></li>