diff -r 22b408023c8e tools/python/xen/xm/shutdown.py
--- a/tools/python/xen/xm/shutdown.py	Tue Dec 27 18:55:48 2005
+++ b/tools/python/xen/xm/shutdown.py	Wed Dec 28 11:05:10 2005
@@ -93,7 +93,7 @@
 
 def main_dom(opts, args):
     if len(args) < 1: opts.err('Missing domain')
-    dom = args[0]
+    dom = args[0].lstrip("0") or "0"
     mode = shutdown_mode(opts)  
     shutdown(opts, [ dom ], mode, opts.vals.wait)