diff --git a/src/rpc/src/rpcMain.c b/src/rpc/src/rpcMain.c
index b5c2967e47..2e8c4bbc30 100644
--- a/src/rpc/src/rpcMain.c
+++ b/src/rpc/src/rpcMain.c
@@ -793,6 +793,7 @@ static SRpcConn *rpcProcessMsgHead(SRpcInfo *pRpc, SRecvInfo *pRecv) {
   sid = pConn->sid;
 
   pConn->chandle = pRecv->chandle;
+  if (pRecv->port) pConn->peerPort = pRecv->port;
   if (pHead->port) pConn->peerPort = htons(pHead->port); 
 
   terrno = rpcCheckAuthentication(pConn, (char *)pHead, pRecv->msgLen);