diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
index 2d70d79..39f621a 100644
--- a/include/uapi/linux/if_bridge.h
+++ b/include/uapi/linux/if_bridge.h
@@ -14,6 +14,7 @@
 #define _UAPI_LINUX_IF_BRIDGE_H
 
 #include <linux/types.h>
+#include <linux/if_ether.h>
 
 #define SYSFS_BRIDGE_ATTR	"bridge"
 #define SYSFS_BRIDGE_FDB	"brforward"
@@ -88,7 +89,7 @@
 };
 
 struct __fdb_entry {
-	__u8 mac_addr[6];
+	__u8 mac_addr[ETH_ALEN];
 	__u8 port_no;
 	__u8 is_local;
 	__u32 ageing_timer_value;