diff --git a/libc/kernel/uapi/linux/nfsacl.h b/libc/kernel/uapi/linux/nfsacl.h
index d8eceeb..65dccad 100644
--- a/libc/kernel/uapi/linux/nfsacl.h
+++ b/libc/kernel/uapi/linux/nfsacl.h
@@ -19,10 +19,12 @@
 #ifndef _UAPI__LINUX_NFSACL_H
 #define _UAPI__LINUX_NFSACL_H
 #define NFS_ACL_PROGRAM 100227
+#define ACLPROC2_NULL 0
 #define ACLPROC2_GETACL 1
 #define ACLPROC2_SETACL 2
 #define ACLPROC2_GETATTR 3
 #define ACLPROC2_ACCESS 4
+#define ACLPROC3_NULL 0
 #define ACLPROC3_GETACL 1
 #define ACLPROC3_SETACL 2
 #define NFS_ACL 0x0001