diff --git a/scripts/inner.sh b/scripts/inner.sh
index 7677bec..f558070 100644
--- a/scripts/inner.sh
+++ b/scripts/inner.sh
@@ -18,9 +18,14 @@ echo ${VPN_IPV6_ADDRESS}
 ip addr add ${VPN_IPV4_ADDRESS} dev vpn
 ip addr add ${VPN_IPV6_ADDRESS} dev vpn
 
-if [ -z ${OUTER_ROUTE+x} ]
+if [ -z ${OUTER_ROUTE_V4+x} ]
 then
-    ip -4 route add "${OUTER_ROUTE}" via "${OUTER_GATEWAY}"
+    ip -4 route add "${OUTER_ROUTE_V4}" via "${OUTER_GATEWAY_V4}"
+fi
+
+if [ -z ${OUTER_ROUTE_V6+x} ]
+then
+    ip -6 route add "${OUTER_ROUTE_V6}" via "${OUTER_GATEWAY_V6}"
 fi
 
 ip -4 route add default dev vpn