diff --git a/libc/private/bionic_malloc_dispatch.h b/libc/private/bionic_malloc_dispatch.h
index cdae466..0dce03d 100644
--- a/libc/private/bionic_malloc_dispatch.h
+++ b/libc/private/bionic_malloc_dispatch.h
@@ -46,6 +46,7 @@
 typedef void (*MallocMallocDisable)();
 typedef void (*MallocMallocEnable)();
 typedef int (*MallocMallopt)(int, int);
+typedef void* (*MallocAlignedAlloc)(size_t, size_t);
 
 #if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
 typedef void* (*MallocPvalloc)(size_t);
@@ -71,6 +72,7 @@
   MallocMallocDisable malloc_disable;
   MallocMallocEnable malloc_enable;
   MallocMallopt mallopt;
+  MallocAlignedAlloc aligned_alloc;
 } __attribute__((aligned(32)));
 
 #endif