diff --git a/lib/connectors/commands/handshake.js b/lib/connectors/commands/handshake.js
index addced78d..7b3a9b1f6 100644
--- a/lib/connectors/commands/handshake.js
+++ b/lib/connectors/commands/handshake.js
@@ -52,6 +52,7 @@ Command.prototype.handle = function(socket, msg) {
     if(!msg.sys.protoVersion || msg.sys.protoVersion < protoVersion){
       opts.protos = pomelo.app.components.__protobuf__.getProtos();
     }
+    opts.useProto = true;
   }
 
   if(!!pomelo.app.components.__decodeIO__protobuf__) {
@@ -62,6 +63,7 @@ Command.prototype.handle = function(socket, msg) {
     if(!msg.sys.protoVersion || msg.sys.protoVersion < version) {
       opts.protos = pomelo.app.components.__decodeIO__protobuf__.getProtos();
     }
+    opts.useProto = true;
   }
 
   if(this.useCrypto) {