--- a/etwist/twctl.py	Thu Dec 23 15:49:29 2010 +0100
+++ b/etwist/twctl.py	Wed Jan 05 15:32:37 2011 +0100
@@ -32,7 +32,7 @@
 
     def start_server(self, config):
         from cubicweb.etwist import server
-        server.run(config)
+        return server.run(config)
 
 class TWStopHandler(CommandHandler):
     cmdname = 'stop'