diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/showmarc.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/showmarc.tt
index 6854391eaf..4adac534e9 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/showmarc.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/showmarc.tt
@@ -13,4 +13,6 @@
 <pre>[% MARC_FORMATTED | html %] </pre>
 </div>
 </body>
+<!-- prettier-ignore-start -->
 </html>
+<!-- prettier-ignore-end -->