diff --git a/libc/private/KernelArgumentBlock.h b/libc/private/KernelArgumentBlock.h
index 105965e..4af52ab 100644
--- a/libc/private/KernelArgumentBlock.h
+++ b/libc/private/KernelArgumentBlock.h
@@ -18,6 +18,7 @@
 #define KERNEL_ARGUMENT_BLOCK_H
 
 #include <elf.h>
+#include <link.h>
 #include <stdint.h>
 #include <sys/auxv.h>
 
@@ -43,14 +44,14 @@
     }
     ++p; // Skip second NULL;
 
-    auxv = reinterpret_cast<Elf_auxv_t*>(p);
+    auxv = reinterpret_cast<ElfW(auxv_t)*>(p);
   }
 
   // Similar to ::getauxval but doesn't require the libc global variables to be set up,
   // so it's safe to call this really early on. This function also lets you distinguish
   // between the inability to find the given type and its value just happening to be 0.
   unsigned long getauxval(unsigned long type, bool* found_match = NULL) {
-    for (Elf_auxv_t* v = auxv; v->a_type != AT_NULL; ++v) {
+    for (ElfW(auxv_t)* v = auxv; v->a_type != AT_NULL; ++v) {
       if (v->a_type == type) {
         if (found_match != NULL) {
             *found_match = true;
@@ -67,7 +68,7 @@
   int argc;
   char** argv;
   char** envp;
-  Elf_auxv_t* auxv;
+  ElfW(auxv_t)* auxv;
 
   abort_msg_t** abort_message_ptr;