diff --git a/sjrpc/core/rpcconnection.py b/sjrpc/core/rpcconnection.py
index bd0c898ad5dec011e4d7db02f08906c5ef8c3c9d..7b3c0070b7d2587f9c65fd2cbc6a3604bdc95d55 100644
--- a/sjrpc/core/rpcconnection.py
+++ b/sjrpc/core/rpcconnection.py
@@ -32,6 +32,9 @@ class RpcConnection(object):
     def __init__(self, sock, manager, handler=None, timeout=None):
         # Sock of this connection:
         self._sock = sock
+
+        # Activate TCP keepalive on the connection:
+        self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
         
         # Inbound buffer containing currently readed message while it sending:
         self._inbound_buffer = BytesBuffer()