--- libaitio/example/bpf.c	2013/06/25 09:26:49	1.1.2.3
+++ libaitio/example/bpf.c	2013/06/25 16:42:41	1.1.2.4
@@ -299,10 +299,12 @@ main(int argc, char **argv)
 	else
 		strlcpy(szStr, *argv, sizeof szStr);
 
-#ifdef __FreeBSD_
-	dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, (u_int*) &siz, &bz);
+#ifdef __FreeBSD__
+	dev = io_etherOpen(szStr, O_RDWR, 42, (u_int*) &siz, &bz);
+	if (dev == -1)
+		dev = io_etherOpen(szStr, O_RDWR, 42, (u_int*) &siz, NULL);
 #else
-	dev = io_etherOpen(szStr, O_RDWR | O_NONBLOCK, 42, (u_int*) &siz, NULL);
+	dev = io_etherOpen(szStr, O_RDWR, 42, (u_int*) &siz, NULL);
 #endif
 	if (dev == -1) {
 		printf("Error:: #%d - %s\n", io_GetErrno(), io_GetError());