diff --git a/sjrpc/core/rpcconnection.py b/sjrpc/core/rpcconnection.py
index 97559408e700f65d7827fe2845a4c7a8f9fd45fb..486af56f4f92810cf60b5999ee671e1e2916000c 100644
--- a/sjrpc/core/rpcconnection.py
+++ b/sjrpc/core/rpcconnection.py
@@ -100,6 +100,9 @@ class RpcConnection(object):
     def __hash__(self):
         return self._sock.__hash__()
 
+    def __nonzero__(self):
+        return self._connected
+
     def run(self):
         '''
         Inbound message processing loop.