diff --git a/sapl/base/receivers.py b/sapl/base/receivers.py
index cf493b57d..6a1e622be 100644
--- a/sapl/base/receivers.py
+++ b/sapl/base/receivers.py
@@ -9,6 +9,7 @@ from django.db.models.signals import post_delete, post_save,\
 from django.db.utils import DEFAULT_DB_ALIAS
 from django.dispatch import receiver
 from django.utils import timezone
+from django.utils.translation import ugettext_lazy as _
 
 from sapl.base.email_utils import do_envia_email_tramitacao
 from sapl.base.models import AuditLog, TipoAutor, Autor