diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index 0f5f1e8..14f90ad 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1152,6 +1152,7 @@
     freeifaddrs;
     fseeko64;
     fsetpos64;
+    ftello64;
     funopen64;
     getgrgid_r;
     getgrnam_r;