diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 2d6c0e4984f0..53f45c6629a0 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -658,6 +658,7 @@ int	vop_stdadvlock(struct vop_advlock_args *ap);
 int	vop_stdadvlockasync(struct vop_advlockasync_args *ap);
 int	vop_stdpathconf(struct vop_pathconf_args *);
 int	vop_stdpoll(struct vop_poll_args *);
+int	vop_stdvptocnp(struct vop_vptocnp_args *ap);
 int	vop_stdvptofh(struct vop_vptofh_args *ap);
 int	vop_eopnotsupp(struct vop_generic_args *ap);
 int	vop_ebadf(struct vop_generic_args *ap);