diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2ff0c82..9bc43f2 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -419,8 +419,8 @@
 	if (!x)
 		return;
 
-	NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/" NIP6_FMT "\n",
-		 ntohl(ah->spi), NIP6(iph->daddr));
+	NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%p6\n",
+		 ntohl(ah->spi), &iph->daddr);
 
 	xfrm_state_put(x);
 }