diff --git a/libc/libc.arm64.map b/libc/libc.arm64.map
index a58b757..38023e5 100644
--- a/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@ -1156,6 +1156,7 @@
     __pwrite_chk;
     __pwrite64_chk;
     __write_chk;
+    fileno_unlocked;
     getgrgid_r;
     getgrnam_r;
     preadv;