diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 9ff0b78a9c15d8a7703aeb69c0877171dd15394e..bd5fd7054031d677f9ac111ef7d78c74b3d68b24 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -551,6 +551,8 @@ static inline bool rt6_check_neigh(struct rt6_info *rt)
 			ret = true;
 #endif
 		read_unlock(&neigh->lock);
+	} else if (IS_ENABLED(CONFIG_IPV6_ROUTER_PREF)) {
+		ret = true;
 	}
 	rcu_read_unlock_bh();