Index: drupal-5.2/sites/all/modules/views/views.module
===================================================================
--- drupal-5.2/sites/all/modules/views/views.module	(revision 224)
+++ drupal-5.2/sites/all/modules/views/views.module	(working copy)
@@ -974,7 +974,7 @@
         $filter['value'] = explode(',', $filter['value']);
       }
       else {
-        $filter['value'] = array();
+        $filter['value'] = '';
       }
     }
     $filter['id'] = $filter['field'];