diff --git a/chrono/manager/views.py b/chrono/manager/views.py
index 01d52078..84c00502 100644
--- a/chrono/manager/views.py
+++ b/chrono/manager/views.py
@@ -1914,8 +1914,8 @@ class TimePeriodExceptionEditView(ManagedTimePeriodExceptionMixin, UpdateView):
     model = TimePeriodException
     form_class = TimePeriodExceptionForm
 
-    def get_context_data(self):
-        context = super().get_context_data()
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
         if self.desk:
             context['cancel_url'] = reverse(
                 'chrono-manager-agenda-settings', kwargs={'pk': self.desk.agenda.pk}
diff --git a/tests/test_manager.py b/tests/test_manager.py
index 49d905de..2197b5f3 100644
--- a/tests/test_manager.py
+++ b/tests/test_manager.py
@@ -4645,6 +4645,13 @@ def test_unavailability_calendar_edit_time_period_exeptions(app, admin_user):
     time_period_exception.refresh_from_db()
     assert 'Exception foo' == time_period_exception.label
 
+    # with an error
+    resp = app.get('/manage/time-period-exceptions/%s/edit' % time_period_exception.pk)
+    resp.form['start_datetime_0'] = now().strftime('%Y-%m-%d')
+    resp.form['end_datetime_0'] = now().strftime('%Y-%m-%d')
+    resp = resp.form.submit()
+    assert '<ul class="errorlist">' in resp.text
+
 
 def test_unavailability_calendar_delete_time_period_exeptions(app, admin_user):
     unavailability_calendar = UnavailabilityCalendar.objects.create(label='Foo')