Index: logintoboggan.module
===================================================================
--- logintoboggan.module	(revision 729)
+++ logintoboggan.module	(working copy)
@@ -355,9 +355,9 @@
  * @ingroup logintoboggan_form
  */
 function logintoboggan_user_edit_validate($form_id, $form_values) {
-  if (strlen($form_values['pass'])) {
-    // if we're changing the password, validate it
-    $pass_err = logintoboggan_validate_pass($form_values['pass']);
+  if (strlen($form_values['pass']) && ($pass = $form_values['pass']['pass1'])) {
+    // if we're changing the password, validate the first one.
+    $pass_err = logintoboggan_validate_pass($pass);
     if ($pass_err) {
       form_set_error('pass', $pass_err);
     }