diff --git a/handlers/views_handler_filter_string.inc b/handlers/views_handler_filter_string.inc
index 7cc7a51..7b5867f 100644
--- a/handlers/views_handler_filter_string.inc
+++ b/handlers/views_handler_filter_string.inc
@@ -7,7 +7,6 @@
 class views_handler_filter_string extends views_handler_filter {
   // exposed filter options
   var $no_single = TRUE;
-  var $no_optional = TRUE;
 
   function option_definition() {
     $options = parent::option_definition();