--- libaitrpc/src/aitrpc.c	2016/08/02 12:00:39	1.20.2.3
+++ libaitrpc/src/aitrpc.c	2016/08/02 15:18:41	1.20.2.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitrpc.c,v 1.20.2.3 2016/08/02 12:00:39 misho Exp $
+* $Id: aitrpc.c,v 1.20.2.4 2016/08/02 15:18:41 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -254,8 +254,13 @@ try2read:
 
 	/* check RPC packet header */
 	if (type == SOCK_RAW) {
+#ifdef IPV6_REMOVE_HEADER
 		hlen = sa->sa.sa_family == AF_INET ? 
 			sizeof(struct ip) : sizeof(struct ip6_hdr);
+#else
+		hlen = sa->sa.sa_family == AF_INET ? 
+			sizeof(struct ip) : 0;
+#endif
 		ret -= hlen;
 		if (ret > 0)
 			memmove(buf, buf + hlen, blen - hlen);
@@ -349,7 +354,7 @@ rpc_Write(int sock, int type, int flags, sockaddr_t * 
 				return -1;
 			}
 
-			ret = sendto(sock, buf, blen, flags, &sa->sa, sizeof sa->sa);
+			ret = sendto(sock, buf, blen, flags, &sa->sa, e_addrlen(sa));
 			break;
 		default:
 			rpc_SetErr(EINVAL, "Invalid argument(s)!");