diff --git a/dnstund.c b/dnstund.c
index 80f486c..a8217ce 100644
--- a/dnstund.c
+++ b/dnstund.c
@@ -77,8 +77,8 @@ tunnel(int tun_fd, int dns_fd)
 			if(FD_ISSET(dns_fd, &fds)) {
 				read = dnsd_read(dns_fd, frame->data, 64*1024-4);
 				if(read > 0) {
-					frame->flags = 0x0000;
-					frame->proto = 0x0800;
+					frame->flags = htons(0x0000);
+					frame->proto = htons(0x0800);
 					write_tun(tun_fd, frame, read + 4);
 				}
 			}