Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.487
diff -u -p -r1.487 form.inc
--- includes/form.inc	30 Aug 2010 17:07:49 -0000	1.487
+++ includes/form.inc	4 Sep 2010 10:49:01 -0000
@@ -3442,7 +3442,7 @@ function theme_form_element_label($varia
   $t = get_t();
 
   // If title and required marker are both empty, output no label.
-  if (empty($element['#title']) && empty($element['#required'])) {
+  if (empty($element['#title']) && ($element['#title'] != 0) && empty($element['#required'])) {
     return '';
   }