--- custom_username_validation.module	2010-07-06 15:37:39.000000000 -0400
+++ custom_username_validation.module.fix	2010-07-06 15:37:28.000000000 -0400
@@ -139,7 +139,7 @@ function custom_username_validation_test
 */
 
 function custom_username_validation_form_alter(&$form, &$form_state, $form_id) {
-  if ($form_id == 'user_register' || $form_id == 'user_edit') {       
+  if ($form_id == 'user_register' || $form_id == 'user_profile_form') {
       
     //
     $form['#validate'][] = 'custom_username_validation_username_validate';