diff --git a/original/uapi/linux/netfilter_bridge/ebt_nat.h b/original/uapi/linux/netfilter_bridge/ebt_nat.h
index 5e74e3b..c990d74 100644
--- a/original/uapi/linux/netfilter_bridge/ebt_nat.h
+++ b/original/uapi/linux/netfilter_bridge/ebt_nat.h
@@ -1,6 +1,8 @@
 #ifndef __LINUX_BRIDGE_EBT_NAT_H
 #define __LINUX_BRIDGE_EBT_NAT_H
 
+#include <linux/if_ether.h>
+
 #define NAT_ARP_BIT  (0x00000010)
 struct ebt_nat_info {
 	unsigned char mac[ETH_ALEN];