diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 6fdd0c9..f2868a8 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1516,7 +1516,7 @@ static void mpls_ifdown(struct net_device *dev, int event)
 			case NETDEV_DOWN:
 			case NETDEV_UNREGISTER:
 				nh_flags |= RTNH_F_DEAD;
-				/* fall through */
+				fallthrough;
 			case NETDEV_CHANGE:
 				nh_flags |= RTNH_F_LINKDOWN;
 				break;