diff --git a/libc/kernel/uapi/asm-generic/unistd.h b/libc/kernel/uapi/asm-generic/unistd.h
index f284254..1409701 100644
--- a/libc/kernel/uapi/asm-generic/unistd.h
+++ b/libc/kernel/uapi/asm-generic/unistd.h
@@ -402,8 +402,9 @@
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
 #define __NR_epoll_pwait2 441
+#define __NR_mount_setattr 442
 #undef __NR_syscalls
-#define __NR_syscalls 442
+#define __NR_syscalls 443
 #if __BITS_PER_LONG == 64 && !defined(__SYSCALL_COMPAT)
 #define __NR_fcntl __NR3264_fcntl
 #define __NR_statfs __NR3264_statfs