diff --git a/package-debian.sh b/package-debian.sh
index 54f62b0f..2949dcfc 100644
--- a/package-debian.sh
+++ b/package-debian.sh
@@ -574,6 +574,10 @@ set -e
 useradd --no-create-home --uid 785 --system v2rayn-core
 groupadd v2rayn # Users in this group are allowed to use TUN
 id -u 1000 && gpasswd -a $(id -un 1000) v2rayn
+if [ ! -d /etc/iproute2/rt_tables]; then
+  mkdir -p /etc/iproute2/
+fi
+grep '^6418 ' /etc/iproute2/rt_tables || echo '6418 v2rayn-tun' >> /etc/iproute2/rt_tables
 exit 0
 EOF