diff --git a/sjrpc/core/rpcconnection.py b/sjrpc/core/rpcconnection.py
index de22c4bb8b55dbef8eaa91583d56635e515bf6a3..2b42164144fbb260e85a7a0188ff4931a978176d 100644
--- a/sjrpc/core/rpcconnection.py
+++ b/sjrpc/core/rpcconnection.py
@@ -12,6 +12,7 @@ import socket
 import logging
 
 from sjrpc.core.protocols.rpc import RpcProtocol
+from sjrpc.core.protocols import Protocol
 from sjrpc.core.exceptions import RpcError
 
 import pyev
@@ -196,6 +197,12 @@ class RpcConnection(object):
 
                 # Get the registered protocol for the specified label
                 self._proto_receiving = self._protocols.get(label)
+
+                # If frame's label is not binded to a protocol, we create a
+                # dummy protocol to consume the payload:
+                if self._proto_receiving is None:
+                    self._proto_receiving = Protocol(self, -1)
+
                 self._proto_receiving.start_message(pl_size)
                 self._inbound_buffer = ''
                 self._remains = pl_size