diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/printinvoice.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/printinvoice.tt
index 4543234013..bf752927f6 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/printinvoice.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/printinvoice.tt
@@ -15,7 +15,9 @@
 <link rel="shortcut icon" href="[% IF ( IntranetFavicon ) %][% IntranetFavicon | url %][% ELSE %][% interface | html %]/[% theme | html %]/img/favicon.ico[% END %]" type="image/x-icon" />
 
 [% Asset.css("css/printreceiptinvoice.css") | $raw %]
+<!-- prettier-ignore-start -->
 [% IF style %]<style>[% style | $raw %]</style>[% END %]
+<!-- prettier-ignore-end -->
 [% INCLUDE 'blocking_errors.inc' %]
 </head>