diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f6ac65d36559cf15825a5e63d0a182cd9a080f6e..e16f1bba5dffd3295200cc8bfa66440e69f7541b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -400,6 +400,8 @@ static void dev_forward_change(struct inet6_dev *idev)
 			ipv6_dev_mc_dec(dev, &addr);
 	}
 	for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) {
+		if (ifa->flags&IFA_F_TENTATIVE)
+			continue;
 		if (idev->cnf.forwarding)
 			addrconf_join_anycast(ifa);
 		else