diff --git a/modules/user/user.module b/modules/user/user.module
index 8917192..41c76e7 100644
--- a/modules/user/user.module
+++ b/modules/user/user.module
@@ -225,7 +225,7 @@ function user_save($account, $array = array(), $category = 'account') {
         $query .= "$key = '%s', ";
         $v[] = md5($value);
       }
-      else if ((substr($key, 0, 4) !== 'auth') && ($key != 'pass')) {
+      else if (substr($key, 0, 4) !== 'auth' && $key != 'pass' && $key != 'form_build_id') {
         if (in_array($key, $user_fields)) {
           // Save standard fields.
           $query .= "$key = '%s', ";