diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9001133..36b85bd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3119,6 +3119,8 @@
 	}
 
 	addrconf_addr_gen(idev, true);
+	if (dev->flags & IFF_POINTOPOINT)
+		addrconf_add_mroute(dev);
 }
 #endif