diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc-overlay-rules.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc-overlay-rules.tt
index 268c8c0bd9..04ccbf2a4f 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc-overlay-rules.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/marc-overlay-rules.tt
@@ -71,7 +71,7 @@
                 <div class="page-section">
                 <form action="/cgi-bin/koha/admin/marc-overlay-rules.pl" method="POST" id="marc-overlay-rules-form">
                     [% INCLUDE 'csrf-token.inc' %]
-                    <input type="hidden" name="op">
+                    <input type="hidden" name="op" value="cud-add">
                     <table id="marc-overlay-rules">
                         <thead><tr>
                             <th>Rule</th>