diff --git a/pykolab/xml/attendee.py b/pykolab/xml/attendee.py
--- a/pykolab/xml/attendee.py
+++ b/pykolab/xml/attendee.py
@@ -13,6 +13,7 @@
         "DELEGATED": N_("Delegated"),
         "IN-PROCESS": N_("Started"),
         "COMPLETED": N_("Completed"),
+        "PENDING": N_("Pending"),
         # support integer values, too
         kolabformat.PartNeedsAction: N_("Needs Action"),
         kolabformat.PartAccepted: N_("Accepted"),
diff --git a/tests/functional/test_wallace/test_007_invitationpolicy.py b/tests/functional/test_wallace/test_007_invitationpolicy.py
--- a/tests/functional/test_wallace/test_007_invitationpolicy.py
+++ b/tests/functional/test_wallace/test_007_invitationpolicy.py
@@ -911,7 +911,7 @@
 
         notification_text = str(notification.get_payload())
         self.assertIn(self.jane['mail'], notification_text)
-        self.assertIn(_("PENDING"), notification_text)
+        self.assertIn(_("Pending"), notification_text)
 
         self.purge_mailbox(self.john['mailbox'])
 
@@ -923,7 +923,7 @@
         self.assertIsInstance(notification, email.message.Message)
 
         notification_text = str(notification.get_payload())
-        self.assertNotIn(_("PENDING"), notification_text)
+        self.assertNotIn(_("Pending"), notification_text)
 
     def test_008_notify_translated(self):
         self.purge_mailbox(self.mark['mailbox'])