diff --git a/libc/malloc_debug/exported64.map b/libc/malloc_debug/exported64.map
index ec9d840..94104b0 100644
--- a/libc/malloc_debug/exported64.map
+++ b/libc/malloc_debug/exported64.map
@@ -1,6 +1,7 @@
 LIBC_MALLOC_DEBUG {
   global:
     debug_calloc;
+    debug_dump_heap;
     debug_finalize;
     debug_free;
     debug_free_malloc_leak_info;