diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-addbybiblionumber.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-addbybiblionumber.tt
index 70f1573d12..09cad6c3ef 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-addbybiblionumber.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-addbybiblionumber.tt
@@ -70,7 +70,7 @@
                                                 <input type="hidden" name="biblionumber" value="[% biblio.biblionumber | html %]">
                                             [% END %]
                                             <input type="hidden" name="shelfnumber" value="[% shelfnumber | html %]" />
-                                            <input type="hidden" name="op" value="cud-modifyshelfcontents" /></fieldset>
+                                            <input type="hidden" name="op" value="cud-modifyshelfcontents" />
                                             <fieldset class="action">
                                                 <input type="submit" value="Save" class="btn btn-primary" />
                                                 <a class="close cancel" href="#">Cancel</a>