--- libaitio/src/bpf.c	2014/02/05 02:24:28	1.5.4.2
+++ libaitio/src/bpf.c	2014/02/08 20:15:58	1.5.4.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: bpf.c,v 1.5.4.2 2014/02/05 02:24:28 misho Exp $
+* $Id: bpf.c,v 1.5.4.4 2014/02/08 20:15:58 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -213,7 +213,8 @@ io_etherOpen(const char *csIface, int flags, u_int whd
 		return -1;
 	}
 
-	if (ioctl(eth, BIOCIMMEDIATE, &n) == -1) {
+	n = wdlt;
+	if (wdlt && ioctl(eth, BIOCSDLT, &n) == -1) {
 		LOGERR;
 		close(eth);
 		return -1;
@@ -224,7 +225,7 @@ io_etherOpen(const char *csIface, int flags, u_int whd
 		close(eth);
 		return -1;
 	}
-	if (wdlt && ioctl(eth, BIOCSDLT, &wdlt) == -1) {
+	if (ioctl(eth, BIOCIMMEDIATE, &n) == -1) {
 		LOGERR;
 		close(eth);
 		return -1;