diff -r 43b908c9b2e2 -r e133d321fce4 plugins/SpecialUserFuncs.php
--- a/plugins/SpecialUserFuncs.php	Thu Jan 31 22:28:40 2008 -0500
+++ b/plugins/SpecialUserFuncs.php	Fri Feb 01 22:31:57 2008 -0500
@@ -361,7 +361,7 @@
     
     $captcharesult = $session->get_captcha($_POST['captchahash']);
     $session->kill_captcha();
-    if($captcharesult != $_POST['captchacode'])
+    if(strtolower($captcharesult) != strtolower($_POST['captchacode']))
     {
       $s = 'The confirmation code you entered was incorrect.';
     }