diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
index b3bf8df72e..0c7968617a 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/reserve/request.tt
@@ -1029,7 +1029,7 @@
         var override_items = {[% FOREACH bibitemloo IN bibitemloop %][% FOREACH itemloo IN bibitemloo.itemloop %][% IF ( itemloo.override ) %]
         [% itemloo.itemnumber | html %]: {
             homebranch: "[% To.json( Branches.GetName( itemloo.homebranch ) ) | $raw %]",
-            holdallowed: [% itemloo.holdallowed | html %]
+            holdallowed: "[% itemloo.holdallowed | html %]"
             },
             [% END %][% END %][% END %]
         };