Index: netforum_authentication.module
===================================================================
--- netforum_authentication.module	(revision 20484)
+++ netforum_authentication.module	(working copy)
@@ -171,6 +171,7 @@
  */
 function netforum_auth_user_register_redirect() {
   if (strtolower(variable_get('netforum_auth_user_register', '<drupal>')) != '<drupal>') {
+    unset($_REQUEST['destination']);
     drupal_goto(variable_get('netforum_auth_user_register', ''));
   }
   else {