Index: webform.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/webform.module,v
retrieving revision 1.196.2.72
diff -u -r1.196.2.72 webform.module
--- webform.module	29 Dec 2010 23:56:56 -0000	1.196.2.72
+++ webform.module	3 Jan 2011 16:18:37 -0000
@@ -2107,7 +2107,7 @@
 
       // Update the subject if set in the themed headers.
       if (isset($email['headers']['Subject'])) {
-        $email['headers']['subject'] = $email['headers']['Subject'];
+        $email['subject'] = $email['headers']['Subject'];
         unset($email['headers']['Subject']);
       }
       else {