diff --git a/extra/modules/store.py b/extra/modules/store.py
index 66e10a3..c323a8a 100644
--- a/extra/modules/store.py
+++ b/extra/modules/store.py
@@ -30,6 +30,8 @@ class IdentitiesStoreIFEF(authentic.identities.IdentitiesStoreLdap):
         Field('email', N_('Adresse email'),
             hint = _("exemple: jean@example.com"), required=True,
             admin_required = True,
+            widget_class = 'ValidatedStringWidget',
+            regex = r'[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}',
             unique = True),
 # Addresses postales
         Field('street', N_('Adresse'), required = True),