diff --git a/www/protected/models/Usuario.php b/www/protected/models/Usuario.php
index 6a1961e..7a80d50 100644
--- a/www/protected/models/Usuario.php
+++ b/www/protected/models/Usuario.php
@@ -59,7 +59,7 @@ class Usuario extends CActiveRecord {
         // NOTE: you should only define rules for those attributes that
         // will receive user inputs.
         return array(
-            array('email, password, tipo', 'required'),
+            array('email, password', 'required'),
             array('estado', 'length', 'max'=>1),
             array('email', 'email'),
             array('email', 'unique'),