diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index e44811b9be6c3be487e8b9281a19c57d58b3edfe..7ade26b025a4764052cb4b6a9f9f353573a30f68 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -280,6 +280,6 @@ extern unsigned int arpt_do_table(struct sk_buff *skb,
 				  const struct net_device *out,
 				  struct arpt_table *table);
 
-#define ARPT_ALIGN(s) (((s) + (__alignof__(struct arpt_entry)-1)) & ~(__alignof__(struct arpt_entry)-1))
+#define ARPT_ALIGN(s) XT_ALIGN(s)
 #endif /*__KERNEL__*/
 #endif /* _ARPTABLES_H */