diff --git a/Koha/Template/Plugin/To.pm b/Koha/Template/Plugin/To.pm
index f87a39c64c..b0a03c4b8c 100644
--- a/Koha/Template/Plugin/To.pm
+++ b/Koha/Template/Plugin/To.pm
@@ -19,9 +19,11 @@ package Koha::Template::Plugin::To;
 
 use Modern::Perl;
 
-use base qw( Template::Plugin );
+use Template::Plugin::Filter;
+use base qw( Template::Plugin::Filter );
 
 use JSON qw( to_json );
+our $DYNAMIC = 1;
 
 sub json {
     my ( $self, $value ) = @_;
@@ -34,4 +36,9 @@ sub json {
     return $json;
 }
 
+sub filter {
+    my ( $self, $value ) = @_;
+    return $self->json($value);
+}
+
 1;
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/tables/shelves_results.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/tables/shelves_results.tt
index 13317ee7ea..1420c84037 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/tables/shelves_results.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/virtualshelves/tables/shelves_results.tt
@@ -10,13 +10,13 @@
                 "dt_type":
                     "[% data.type %]",
                 "dt_shelfname":
-                    "<a href='/cgi-bin/koha/virtualshelves/shelves.pl?op=view&shelfnumber=[% data.shelfnumber | html %]'>[% To.json(data.shelfname) | html%]</a>",
+                    "<a href='/cgi-bin/koha/virtualshelves/shelves.pl?op=view&shelfnumber=[% data.shelfnumber | html %]'>[% data.shelfname | html | $To %]</a>",
                 "dt_count":
                     "[% data.count %] item(s)",
                 "dt_is_shared":
                     "[% IF data.type == 2 %]Public[% ELSIF data.is_shared %]Shared[% ELSE %]Private[% END %]",
                 "dt_owner":
-                    "<a href='/cgi-bin/koha/members/moremember.pl?borrowernumber=[% data.owner | html %]'>[% To.json(data.firstname) | html %] [% To.json(data.surname) | html %]</a>",
+                    "<a href='/cgi-bin/koha/members/moremember.pl?borrowernumber=[% data.owner | html %]'>[% data.firstname | html | $To %] [% data.surname | html | $To %]</a>",
                 "dt_sortby":
                     [% IF data.sortby == "author" %]"Author"[% ELSIF data.sortby == "copyrightdate" %]"Year"[% ELSIF data.sortby == "itemcallnumber" %]"Call number"[% ELSE %]"Title"[% END %],
                 "dt_created_on":