diff --git a/biscuit/apps/alsijil/menus.py b/biscuit/apps/alsijil/menus.py
index fbeb707b19bf6b650a0ec1ba31adbfbb6f2081f5..32c08208ee3042ed6b6cf3d967516f083cb1699c 100644
--- a/biscuit/apps/alsijil/menus.py
+++ b/biscuit/apps/alsijil/menus.py
@@ -6,7 +6,7 @@ MENUS = {
             'name': _('Class register'),
             'url': '#',
             'root': True,
-            'validators': ['menu_generator.validators.is_authenticated'],
+            'validators': ['menu_generator.validators.is_authenticated', 'biscuit.core.util.core_helpers.has_person'],
             'submenu': [
                 {
                     'name': _('Current lesson'),