Index: includes/filter.handlers.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/views/includes/filter.handlers.inc,v
retrieving revision 1.25
diff -u -r1.25 filter.handlers.inc
--- includes/filter.handlers.inc	3 Jul 2008 05:05:12 -0000	1.25
+++ includes/filter.handlers.inc	6 Jul 2008 22:57:32 -0000
@@ -1106,7 +1106,7 @@
     }
     $output = '';
     foreach ($this->value as $value) {
-      if ($output) {
+      if ($output !== '') {
         $output .= ', ';
       }
       if (strlen($output) > 8) {