diff --git a/src/integrationtest/python/yadt_status_answer.py b/src/integrationtest/python/yadt_status_answer.py
index 64bcffa..562591c 100644
--- a/src/integrationtest/python/yadt_status_answer.py
+++ b/src/integrationtest/python/yadt_status_answer.py
@@ -61,11 +61,11 @@
 - frontend-service:
     needs_services: [backend-service]
     state: $frontend_service_state
-    service_artefact: yit-frontend-service
+    service_artefact: [yit-frontend-service]
     toplevel_artefacts: [yit-config-$host]
 - backend-service:
     state: $backend_service_state
-    service_artefact: yit-backend-service
+    service_artefact: [yit-backend-service]
     toplevel_artefacts: [yit-config-$host]
 artefact_names_handled_by_yadt:
 - yit-frontend-service
@@ -108,7 +108,7 @@
 services:
 - backend-service:
     state: $backend_service_state
-    service_artefact: yit-backend-service
+    service_artefact: [yit-backend-service]
     needs_services: ['service://foo/bar']
 artefact_names_handled_by_yadt:
 - yit-frontend-service
@@ -150,11 +150,11 @@
 - frontend-service:
     needs_services: [backend-service]
     state: $frontend_service_state
-    service_artefact: yit-frontend-service
+    service_artefact: [yit-frontend-service]
     toplevel_artefacts: [yit-config-$host]
 - backend-service:
     state: $backend_service_state
-    service_artefact: yit-backend-service
+    service_artefact: [yit-backend-service]
     toplevel_artefacts: [yit-config-$host]
     needs_artefacts: [yit-config-$host]
 
diff --git a/src/unittest/python/components_tests.py b/src/unittest/python/components_tests.py
index 6190a95..d65235b 100644
--- a/src/unittest/python/components_tests.py
+++ b/src/unittest/python/components_tests.py
@@ -237,7 +237,7 @@ def test_set_attrs_with_obsolete_yaml_services_format(self):
 services:
 - backend-service:
     state: $backend_service_state
-    service_artefact: yit-backend-service
+    service_artefact: [yit-backend-service]
     needs_services: ['service://foo/bar']
 """
         data = yaml.load(data_text, Loader=yaml.Loader)
@@ -245,4 +245,4 @@ def test_set_attrs_with_obsolete_yaml_services_format(self):
         host.set_attrs_from_data(data)
         self.assertEqual(len(host.services), 1)
         self.assertTrue("backend-service" in host.services)
-        self.assertTrue(host.services["backend-service"]["service_artefact"], "yit-backend-service")
+        self.assertEqual(host.services["backend-service"]["service_artefact"], ["yit-backend-service"])