diff --git a/surveilclient/client.py b/surveilclient/client.py
index 15406af..92454ab 100644
--- a/surveilclient/client.py
+++ b/surveilclient/client.py
@@ -16,7 +16,7 @@
 from surveilclient.common import utils
 
 
-def Client(version, *args, **kwargs):
+def Client(version='1_0', *args, **kwargs):
     module = utils.import_versioned_module(version, 'client')
     client_class = getattr(module, 'Client')
     return client_class(*args, **kwargs)