Index: deluge/core/signalmanager.py
===================================================================
--- deluge/core/signalmanager.py	(revision 2735)
+++ deluge/core/signalmanager.py	(working copy)
@@ -62,12 +62,14 @@
         self.clients[uri] = xmlrpclib.ServerProxy(uri)
         
     def emit(self, signal, *data):
-        for client in self.clients.values():
-            gobject.idle_add(self._emit, client, signal, *data)
+        for uri in self.clients:
+            gobject.idle_add(self._emit, uri, signal, *data)
                 
-    def _emit(self, client, signal, *data):
+    def _emit(self, uri, signal, *data):
+        client = self.clients[uri]
         try:
             client.emit_signal(signal, *data)
         except (socket.error, Exception), e:
             log.warning("Unable to emit signal to client %s: %s", client, e)
-        
+            del self.clients[uri]
+