Index: webform.pages.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/includes/webform.pages.inc,v
retrieving revision 1.7
diff -u -r1.7 webform.pages.inc
--- webform.pages.inc	21 Jan 2010 03:51:03 -0000	1.7
+++ webform.pages.inc	7 Feb 2010 03:12:48 -0000
@@ -192,7 +192,7 @@
   $node->webform['confirmation_format'] = $form_state['values']['confirmation_format'];
 
   // Save roles.
-  $node->webform['roles'] = $form_state['values']['roles'];
+  $node->webform['roles'] = array_keys(array_filter($form_state['values']['roles']));
 
   // Set the Show complete form in teaser setting.
   $node->webform['teaser'] = $form_state['values']['teaser'];