diff --git a/async_tests/test_async_ldap_model.py b/async_tests/test_async_ldap_model.py
index cca7d5b..440a36e 100644
--- a/async_tests/test_async_ldap_model.py
+++ b/async_tests/test_async_ldap_model.py
@@ -384,6 +384,15 @@ def test_User(client_fixture):
     assert repr(c) == f"<User({c.name}) {c.dn}>"
 
 
+def test_User_unsettable_name(client_fixture):
+    c = User("conte_mascetti", client_fixture)
+
+    with pytest.raises(RuntimeError) as e:
+        c.name = "totò"
+
+    assert "Name property is not modifiable." in str(e)
+
+
 def test_User_singleton(client_fixture):
     other_client = MockClient(BASE_DN)
     c1 = User("conte_mascetti", client_fixture)
@@ -406,6 +415,15 @@ def test_Service(client_fixture):
     assert repr(c) == f"<Service({c.name}) {c.dn}>"
 
 
+def test_Service_unsettable_name(client_fixture):
+    c = Service("phi", client_fixture)
+
+    with pytest.raises(RuntimeError) as e:
+        c.name = "theta"
+
+    assert "Name property is not modifiable." in str(e)
+
+
 def test_Service_singleton(client_fixture):
     other_client = MockClient(BASE_DN)
     c1 = Service("phi", client_fixture)
@@ -428,6 +446,15 @@ def test_Group(client_fixture):
     assert repr(c) == f"<Group({c.name}) {c.dn}>"
 
 
+def test_Group_unsettable_name(client_fixture):
+    c = Group("amici_miei", client_fixture)
+
+    with pytest.raises(RuntimeError) as e:
+        c.name = "nemici"
+
+    assert "Name property is not modifiable." in str(e)
+
+
 def test_Group_singleton(client_fixture):
     other_client = MockClient(BASE_DN)
     c1 = Group("amici_miei", client_fixture)