--- libaitrpc/src/aitrpc.c	2015/07/02 22:28:14	1.19
+++ libaitrpc/src/aitrpc.c	2015/07/22 20:01:46	1.20
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitrpc.c,v 1.19 2015/07/02 22:28:14 misho Exp $
+* $Id: aitrpc.c,v 1.20 2015/07/22 20:01:46 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -151,7 +151,7 @@ try2read:
 	pfd.events = POLLIN | POLLPRI;
 	memset(buf, 0, blen);
 	memset(&sa2, 0, sizeof sa2);
-	salen = sa2.ss.ss_len = sizeof(sockaddr_t);
+	salen = sa2.ss.ss_len = (u_char) MIN(sizeof(sockaddr_t), 0xff);
 	if ((ret = poll(&pfd, 1, DEF_RPC_TIMEOUT * 1000)) < 1 || 
 			pfd.revents & (POLLERR | POLLHUP | POLLNVAL)) {
 		if (ret)