diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/popup-bottom.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/popup-bottom.inc
index 9a113d4cec..d0e7724947 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/popup-bottom.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/popup-bottom.inc
@@ -4,4 +4,6 @@
         [% jsinclude | $raw # Parse the page template's JavaScript block if necessary %]
     [% END %]
 </body>
+<!-- prettier-ignore-start -->
 </html>
+<!-- prettier-ignore-end -->