diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8ea8a8b707558e389015db7ecf8387d37944b55d..b0aa089ce67fe4acec70b518a399db7e99a435e0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1715,7 +1715,7 @@ struct net_device {
 	unsigned int		max_mtu;
 	unsigned short		type;
 	unsigned short		hard_header_len;
-	unsigned short		min_header_len;
+	unsigned char		min_header_len;
 
 	unsigned short		needed_headroom;
 	unsigned short		needed_tailroom;