diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 43b69af242e18d640db1bff451d2ee229fc5e08f..4e153b23bceca1b8f6071febf4bb0df8cca7f12f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2762,6 +2762,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
 		if (err == 0 && rt->dst.error)
 			err = -rt->dst.error;
 	} else {
+		fl4.flowi4_iif = LOOPBACK_IFINDEX;
 		rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb);
 		err = 0;
 		if (IS_ERR(rt))