diff --git a/start.py b/start.py
index 8202c89..9453f04 100644
--- a/start.py
+++ b/start.py
@@ -80,6 +80,8 @@
 SSL_SERVER_PASSWORD = 'serverpass'
 SSL_CLIENT_PASSWORD = 'clientpass'
 
+SDC_PORT = 18630
+
 logger = logging.getLogger('clusterdock.{}'.format(__name__))