diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 06e3493..05ea393 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -26,7 +26,7 @@
 LOG = logging.getLogger(__name__)
 
 
-def create_test_server(clients, validatable, validation_resources=None,
+def create_test_server(clients, validatable=False, validation_resources=None,
                        tenant_network=None, **kwargs):
     """Common wrapper utility returning a test server.