diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index 27a597f..145b64e 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1261,6 +1261,7 @@
     getsubopt; # introduced=26
     hasmntopt; # introduced=26
     lutimes; # introduced=26
+    mallopt; # introduced=26
     mblen; # introduced=26
     msgctl; # introduced=26
     msgget; # introduced=26
@@ -1393,5 +1394,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;