diff --git a/src/conf.py b/src/conf.py
index d1fa9621b..2536f78c8 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -824,6 +824,10 @@ registerGlobalValue(supybot.protocols.irc, 'umodes',
     networks allow +x, which indicates to the auth services on those networks
     that you should be given a fake host."""))
 
+registerGlobalValue(supybot.protocols.irc, 'vhost',
+    registry.String('', """Determines what vhost the bot will bind to before
+    connecting to the IRC server."""))
+
 registerGlobalValue(supybot.protocols.irc, 'maxHistoryLength',
     registry.Integer(1000, """Determines how many old messages the bot will
     keep around in its history.  Changing this variable will not take effect
diff --git a/src/twistedDrivers.py b/src/twistedDrivers.py
index 2aaa2a863..d1fb21daa 100644
--- a/src/twistedDrivers.py
+++ b/src/twistedDrivers.py
@@ -109,7 +109,8 @@ class SupyReconnectingFactory(ReconnectingClientFactory, drivers.ServersMixin):
         self.irc = irc
         drivers.ServersMixin.__init__(self, irc)
         (server, port) = self._getNextServer()
-        reactor.connectTCP(server, port, self)
+        vhost = conf.supybot.protocols.irc.vhost()
+        reactor.connectTCP(server, port, self, bindAddress=(vhost, 0))
 
     def clientConnectionFailed(self, connector, r):
         drivers.log.connectError(self.currentServer, errorMsg(r))