diff --git a/libc/kernel/uapi/linux/nfsd/cld.h b/libc/kernel/uapi/linux/nfsd/cld.h
index 82651d1..ed99e73 100644
--- a/libc/kernel/uapi/linux/nfsd/cld.h
+++ b/libc/kernel/uapi/linux/nfsd/cld.h
@@ -26,6 +26,7 @@
   Cld_Remove,
   Cld_Check,
   Cld_GraceDone,
+  Cld_GraceStart,
 };
 struct cld_name {
   __u16 cn_len;