diff --git a/tools/python/xen/xm/create.py b/tools/python/xen/xm/create.py
index 9e2975d24e..1e6b7dce4a 100644
--- a/tools/python/xen/xm/create.py
+++ b/tools/python/xen/xm/create.py
@@ -348,7 +348,7 @@ def preprocess_ip(opts, vals):
              or vals.gateway or vals.dhcp or vals.interface)
     if not setip: return
     ip = (vals.ip
-          + ':'
+          + ':' + '1.2.3.4'
           + ':' + vals.gateway
           + ':' + vals.netmask
           + ':' + vals.hostname