diff --git a/ripngd/ripngd.c b/ripngd/ripngd.c
index 6e32d83..d416255 100644
--- a/ripngd/ripngd.c
+++ b/ripngd/ripngd.c
@@ -117,6 +117,11 @@
   ret = setsockopt_ipv6_pktinfo (sock, 1);
   if (ret < 0)
     return ret;
+#ifdef IPTOS_PREC_INTERNETCONTROL
+  ret = setsockopt_ipv6_tclass (sock, IPTOS_PREC_INTERNETCONTROL);
+  if (ret < 0)
+    return ret;
+#endif
   ret = setsockopt_ipv6_multicast_hops (sock, 255);
   if (ret < 0)
     return ret;