diff --git a/src/bsdd/tests/test_bsdd.py b/src/bsdd/tests/test_bsdd.py
index 221c76f537..21fd19cfcf 100644
--- a/src/bsdd/tests/test_bsdd.py
+++ b/src/bsdd/tests/test_bsdd.py
@@ -40,7 +40,7 @@ def test_get_class():
 
 def test_get_class_relations():
     uri_light_fixture = next(l for l in get_ifc_classes()["classes"] if "IfcLightFixture" == l["code"])["uri"]
-    ifc4x3_light_fixture_relations = client.get_class_properties(uri_light_fixture, True)
+    ifc4x3_light_fixture_relations = client.get_class_relations(uri_light_fixture, True)
     assert "Electrical unit for light-line system" and "Tubelight system" in [
         r["className"] for r in ifc4x3_light_fixture_relations["classRelations"]
     ]