diff --git a/src/morevna.py b/src/morevna.py
--- a/src/morevna.py
+++ b/src/morevna.py
@@ -77,7 +77,7 @@ pBuild.set_defaults(func=buildTree)
 
 pUpdate=subparsers.add_parser("push")
 pUpdate.add_argument("-p","--port",type=int)
-pUpdate.add_argument("--host",default="127.0.0.1")
+pUpdate.add_argument("--host")
 pUpdate.add_argument("-t","--tree",help="stored hash tree location")
 pUpdate.add_argument("datafile")
 pUpdate.set_defaults(func=push)
@@ -91,7 +91,7 @@ pUpdate.set_defaults(func=pull)
 
 pServe=subparsers.add_parser("serve")
 pServe.add_argument("-p","--port",type=int)
-pServe.add_argument("--host",default="")
+pServe.add_argument("--host")
 pServe.add_argument("-t","--tree",help="stored hash tree location")
 pServe.add_argument("datafile")
 pServe.set_defaults(func=serve)