diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d77c0d2..191c06b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2346,9 +2346,9 @@
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	else if (sk->sk_family == AF_INET6) {
 		struct ipv6_pinfo *np = inet6_sk(sk);
-		printk(KERN_DEBUG "Undo %s " NIP6_FMT "/%u c%u l%u ss%u/%u p%u\n",
+		printk(KERN_DEBUG "Undo %s %p6/%u c%u l%u ss%u/%u p%u\n",
 		       msg,
-		       NIP6(np->daddr), ntohs(inet->dport),
+		       &np->daddr, ntohs(inet->dport),
 		       tp->snd_cwnd, tcp_left_out(tp),
 		       tp->snd_ssthresh, tp->prior_ssthresh,
 		       tp->packets_out);