diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 15f4a658e436..0723c1314ea2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -5237,7 +5237,7 @@ static inline void netif_keep_dst(struct net_device *dev)
 static inline bool netif_reduces_vlan_mtu(struct net_device *dev)
 {
 	/* TODO: reserve and use an additional IFF bit, if we get more users */
-	return dev->priv_flags & IFF_MACSEC;
+	return netif_is_macsec(dev);
 }
 
 extern struct pernet_operations __net_initdata loopback_net_ops;