diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index 7702f9e..f37641e 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1352,6 +1352,7 @@
     free_malloc_leak_info;
     get_malloc_leak_info;
     gMallocLeakZygoteChild;
+    write_malloc_leak_info;
 } LIBC_P;
 
 LIBC_DEPRECATED {