diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index a373b8e..197ca39 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -208,7 +208,7 @@
 
 	if (ifindex == 0) {
 		struct rt6_info *rt;
-		rt = rt6_lookup(addr, NULL, 0, 0);
+		rt = rt6_lookup(&init_net, addr, NULL, 0, 0);
 		if (rt) {
 			dev = rt->rt6i_dev;
 			dev_hold(dev);
@@ -294,7 +294,7 @@
 	if (ifindex == 0) {
 		struct rt6_info *rt;
 
-		rt = rt6_lookup(group, NULL, 0, 0);
+		rt = rt6_lookup(&init_net, group, NULL, 0, 0);
 		if (rt) {
 			dev = rt->rt6i_dev;
 			dev_hold(dev);