diff --git a/tabellio/searchform/js_macros.pt b/tabellio/searchform/js_macros.pt
index 4f721ff..661f280 100644
--- a/tabellio/searchform/js_macros.pt
+++ b/tabellio/searchform/js_macros.pt
@@ -64,11 +64,11 @@ if(typeof(String.prototype.trim) === "undefined") {
 (function($) {
   $().ready(function() {
             $('.author-autocomplete').each(sync_authors).autocomplete(PORTAL_URL+'/listAuthors', {
-                'matchContains': true, 'scroll': true, 'max': 30}).result(autocomplete_ready);
+                'cacheLength': 0, 'matchContains': true, 'scroll': true, 'max': 30}).result(autocomplete_ready);
             $('.polgroup-autocomplete').each(sync_polgroups).autocomplete(PORTAL_URL+'/listPolgroups', {
             }).result(autocomplete_ready);
             $('.topic-autocomplete').each(sync_topics).autocomplete(PORTAL_URL+'/listTopics', {
-                'matchContains': true, 'scroll': true, 'max': 30}).result(autocomplete_ready);
+                'cacheLength': 0, 'matchContains': true, 'scroll': true, 'max': 30}).result(autocomplete_ready);
   });
 })(jQuery);
 </script>