diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index 8217562..bd74fbe 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1302,6 +1302,8 @@
 
 LIBC_P {
   global:
+    __freading; # future
+    __fwriting; # future
     getlogin_r; # future
 } LIBC_O;