diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
index d83f219dac..817a76c08c 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
@@ -275,7 +275,7 @@
             return map;
         }, {});
 
-        let filters_options = {
+        var filters_options = {
             libraries,
             categories,
             av_bsort1,