diff --git a/monasca_transform/service/transform_service.py b/monasca_transform/service/transform_service.py
index 02d0491..c9dbc7a 100644
--- a/monasca_transform/service/transform_service.py
+++ b/monasca_transform/service/transform_service.py
@@ -288,7 +288,7 @@ def main_service():
     """Method to use with Openstack service."""
     ConfigInitializer.basic_config()
     LogUtils.init_logger(__name__)
-    launcher = os_service.ServiceLauncher(cfg.CONF)
+    launcher = os_service.ServiceLauncher(cfg.CONF, restart_method='mutate')
     launcher.launch_service(Transform())
     launcher.wait()
 
diff --git a/tests/unit/service/test_transform_service.py b/tests/unit/service/test_transform_service.py
index 27f5a47..6ee200b 100644
--- a/tests/unit/service/test_transform_service.py
+++ b/tests/unit/service/test_transform_service.py
@@ -53,7 +53,8 @@ class TransformServiceTestBase(unittest.TestCase):
                 launcher = oslo_service.service.launch(
                     self.conf,
                     transform_service.Transform(),
-                    workers=1)
+                    workers=1,
+                    restart_method='mutate')
                 status = launcher.wait()
             except SystemExit as exc:
                 traceback.print_exc()