--- libaitrpc/src/builtin.c	2012/05/17 08:42:32	1.7.2.7
+++ libaitrpc/src/builtin.c	2012/05/17 08:45:08	1.7.2.8
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: builtin.c,v 1.7.2.7 2012/05/17 08:42:32 misho Exp $
+* $Id: builtin.c,v 1.7.2.8 2012/05/17 08:45:08 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -160,7 +160,9 @@ rpcServerShutdown(rpc_func_t *call, struct tagRPCCall 
 static int
 rpcServerPing(rpc_func_t *call, struct tagRPCCall *rpc, array_t *iv)
 {
-	AIT_SET_U16(io_getVars(RPC_FUNC_RETVARS(call), 0), ntohs(rpc->call_seq));
+	if (rpc->call_req.flags == RPC_REPLY)
+		AIT_SET_U16(io_getVars(RPC_FUNC_RETVARS(call), 0), ntohs(rpc->call_seq));
+
 	return 0;
 }