diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/js-date-format.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/js-date-format.inc
index 84d2738004..7a54fa773a 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/js-date-format.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/js-date-format.inc
@@ -3,11 +3,13 @@
 [% USE Asset %]
 [% USE KohaDates %]
 [% Asset.js("lib/dayjs/dayjs.min.js") | $raw %]
-[% Asset.js("lib/dayjs/plugin/timezone.js") | $raw %]
 [% Asset.js("lib/dayjs/plugin/utc.js") | $raw %]
+[% Asset.js("lib/dayjs/plugin/timezone.js") | $raw %]
+[% Asset.js("lib/dayjs/plugin/customParseFormat.js") | $raw %]
 <script>
     dayjs.extend(window.dayjs_plugin_utc);
     dayjs.extend(window.dayjs_plugin_timezone);
+    dayjs.extend(window.dayjs_plugin_customParseFormat);
 </script>
 
 <!-- js-date-format.inc -->