diff --git a/koha-tmpl/intranet-tmpl/prog/js/staff-global.js b/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
index b219551f6f..c4fbfcd658 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/staff-global.js
@@ -909,6 +909,7 @@ function buildPatronSearchQuery(term, options) {
     if (
         typeof options !== "undefined" &&
         ((options.search_fields == "standard" &&
+            options.extended_attribute_types &&
             options.extended_attribute_types.length > 0) ||
             searched_attribute_fields.length > 0) &&
         extendedPatronAttributes