1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7f39e9b36456..172438320eec 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1199,7 +1199,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
                 }
                 neigh->flags |= NTF_ROUTER;
         } else if (rt) {
-                rt->rt6i_flags |= (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref);
+                rt->rt6i_flags = (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref);
         }
 
         if (rt)