diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index ed1e82c..50e4390 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1240,6 +1240,8 @@
 
 LIBC_P {
   global:
+    __freading; # future
+    __fwriting; # future
     getlogin_r; # future
 } LIBC_O;