diff --git a/modoboa/limits/tests/test_domain_limits.py b/modoboa/limits/tests/test_domain_limits.py
index b34a4a072..2ec872fd2 100644
--- a/modoboa/limits/tests/test_domain_limits.py
+++ b/modoboa/limits/tests/test_domain_limits.py
@@ -94,6 +94,8 @@ class DomainLimitsTestCase(lib_tests.ModoTestCase):
             "domains": "test2.com",
             "domains_1": "test.com",
             "language": "en",
+            "subject": "subject",
+            "content": "content",
         }
         self.ajax_post(reverse("admin:account_change", args=[user.id]), values)
         self.assertTrue(limit.is_exceeded())
@@ -151,6 +153,8 @@ class DomainLimitsTestCase(lib_tests.ModoTestCase):
             "aliases": "alias@test.com",
             "aliases_1": "alias1@test.com",
             "language": "en",
+            "subject": "subject",
+            "content": "content",
         }
         self.ajax_post(reverse("admin:account_change", args=[user.id]), values)
         self.assertTrue(limit.is_exceeded())
diff --git a/modoboa/limits/tests/test_user_limits.py b/modoboa/limits/tests/test_user_limits.py
index 7349c6429..b5fa2ae00 100644
--- a/modoboa/limits/tests/test_user_limits.py
+++ b/modoboa/limits/tests/test_user_limits.py
@@ -188,6 +188,8 @@ class DomainAdminTestCase(ResourceTestCase):
             "aliases": "alias1@test.com",
             "aliases_1": "alias2@test.com",
             "language": "en",
+            "subject": "subject",
+            "content": "content",
         }
         self.ajax_post(reverse("admin:account_change", args=[user.id]), values)
         Alias.objects.get(address="alias1@test.com")
@@ -269,6 +271,8 @@ class ResellerTestCase(ResourceTestCase):
             "is_active": user.is_active,
             "email": user.email,
             "language": "en",
+            "subject": "subject",
+            "content": "content",
         }
         resp = self.ajax_post(
             reverse("admin:account_change", args=[user.id]), values, status=400
@@ -355,6 +359,8 @@ class ResellerTestCase(ResourceTestCase):
             "language": "en",
             "quota_act": False,
             "quota": 0,
+            "subject": "subject",
+            "content": "content",
         }
         self.ajax_post(reverse("admin:account_change", args=[admin.pk]), values, 400)
 
@@ -399,6 +405,8 @@ class ResellerTestCase(ResourceTestCase):
             "mailboxes_limit": 1,
             "mailbox_aliases_limit": 2,
             "language": "en",
+            "subject": "subject",
+            "content": "content",
         }
         self.ajax_post(reverse("admin:account_change", args=[user.id]), values)
         self._check_limit("mailboxes", 1, 1)
diff --git a/modoboa/pdfcredentials/tests/test_views.py b/modoboa/pdfcredentials/tests/test_views.py
index f4a1bdf57..96ef17db4 100644
--- a/modoboa/pdfcredentials/tests/test_views.py
+++ b/modoboa/pdfcredentials/tests/test_views.py
@@ -79,7 +79,7 @@ class EventsTestCase(ModoTestCase):
         self.assertContains(response, "No document available for this user")
 
         # Update account
-        values.update({"language": "en"})
+        values.update({"language": "en", "subject": "subject", "content": "content"})
         self.ajax_post(reverse("admin:account_change", args=[account.pk]), values)
         self.assertFalse(os.path.exists(fname))