diff --git a/circ/returns.pl b/circ/returns.pl
index b26be73961..1e09336ac1 100755
--- a/circ/returns.pl
+++ b/circ/returns.pl
@@ -78,7 +78,7 @@ if ($session->param('branch') eq 'NO_LIBRARY_SET'){
 if ( $query->param('print_slip') ) {
     $template->param(
         print_slip     => 1,
-        borrowernumber => scalar $query->param('borrowernumber'),
+        borrowernumber => scalar $query->param('borrowernumber'), # FIXME We should send a Koha::Patron and raise an error if not exist.
         biblionumber   => scalar $query->param('biblionumber'),
     );
 }
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/returns.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/returns.tt
index cf27d1c3ea..119116fa07 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/circ/returns.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/circ/returns.tt
@@ -709,7 +709,7 @@
             $(".modal").on('hidden.bs.modal', function (e) { $("#barcode").focus(); });
 
             [% IF print_slip %]
-                Dopop('hold-transfer-slip.pl?borrowernumber=[% patron.borrowernumber %]&biblionumber=[% biblionumber %]');
+                Dopop('hold-transfer-slip.pl?borrowernumber=[% borrowernumber %]&biblionumber=[% biblionumber %]');
             [% END %]
 
             var columns_settings = [% ColumnsSettings.GetColumns( 'circ', 'returns', 'checkedintable', 'json' ) %]