diff --git a/core/models.py b/core/models.py
index 53b36d4..6f4da0b 100644
--- a/core/models.py
+++ b/core/models.py
@@ -39,10 +39,12 @@ class CustomUser(AbstractBaseUser, PermissionsMixin):
 
     SHOP_USER = 'SHOP_USER'
     COOP_MANAGER = 'COOP_MANAGER'
+    SITE_ADMIN = 'SITE_ADMIN'
 
     ROLES = (
         (SHOP_USER, 'Shop User'),
         (COOP_MANAGER, 'Coop Manager'),
+        (SITE_ADMIN, 'Site Admin'),
     )
 
     email = models.EmailField('Dirección de email', unique=True)