diff --git a/smash/web/tests/forms/test_AppointmentAddForm.py b/smash/web/tests/forms/test_AppointmentAddForm.py
index a63675e57ba5affc5d5e7b3c70a7dfda3d5074e7..d1f507ec58cc7d98c80fef696715403948b42d9f 100644
--- a/smash/web/tests/forms/test_AppointmentAddForm.py
+++ b/smash/web/tests/forms/test_AppointmentAddForm.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 from django.test import TestCase
 
 from web.forms import AppointmentAddForm
@@ -21,6 +22,7 @@ class AppointmentAddFormTests(TestCase):
                             'length': '50',
                             'visit': self.visit.id,
                             'location': location.id,
+                            'comment': u'A unicode comment with weird letters such as á è ü ñ ô',
                             'datetime_when': "2020-01-01",
                             }
 
diff --git a/smash/web/tests/view/test_appointments.py b/smash/web/tests/view/test_appointments.py
index 6c990ea720c7965a29db37abb85a645fc5722b7d..02b8f6ac99a44c87f17e493c4713c2a42ab072f5 100644
--- a/smash/web/tests/view/test_appointments.py
+++ b/smash/web/tests/view/test_appointments.py
@@ -39,6 +39,7 @@ class AppointmentsViewTests(LoggedInTestCase):
         form_data['datetime_when'] = datetime.datetime.today()
         form_data['location'] = location.id
         form_data['length'] = 10
+        form_data['comment'] = u'A comment with weird letters such as á è ü ñ ô'
         response = self.client.post(reverse('web.views.appointment_add_general'), data=form_data)
         self.assertEqual(response.status_code, 302)
 
@@ -64,7 +65,7 @@ class AppointmentsViewTests(LoggedInTestCase):
         subject = create_study_subject()
         visit = create_visit(subject)
         appointment = create_appointment(visit, when=datetime.datetime.now())
-        new_comment = 'new comment'
+        new_comment = u'new unicode comment with accents à è ì ò ù'
         new_status = appointment.APPOINTMENT_STATUS_NO_SHOW
         new_last_name = "new last name"
         form_data = self.prepare_form(appointment, subject)