diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7f0ed423a3606f1cc13e09a00d332dc4a45f924b..d9a550bf3e8e8a770c4198bf96bb2b81e34a3b6e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1255,7 +1255,7 @@ struct net_device {
 	unsigned char		perm_addr[MAX_ADDR_LEN]; /* permanent hw address */
 	unsigned char		addr_assign_type; /* hw address assignment type */
 	unsigned char		addr_len;	/* hardware address length	*/
-	unsigned char		neigh_priv_len;
+	unsigned short		neigh_priv_len;
 	unsigned short          dev_id;		/* Used to differentiate devices
 						 * that share the same link
 						 * layer address