diff --git a/libc/bionic/getauxval.cpp b/libc/bionic/getauxval.cpp
index d6f75f8..a3c6b19 100644
--- a/libc/bionic/getauxval.cpp
+++ b/libc/bionic/getauxval.cpp
@@ -37,20 +37,20 @@
 
 // This function needs to be safe to call before TLS is set up, so it can't
 // access errno or the stack protector.
-__LIBC_HIDDEN__ unsigned long __bionic_getauxval(unsigned long type, bool& exists) {
+__LIBC_HIDDEN__ unsigned long __bionic_getauxval(unsigned long type, bool* exists) {
   for (ElfW(auxv_t)* v = __libc_shared_globals()->auxv; v->a_type != AT_NULL; ++v) {
     if (v->a_type == type) {
-      exists = true;
+      *exists = true;
       return v->a_un.a_val;
     }
   }
-  exists = false;
+  *exists = false;
   return 0;
 }
 
 extern "C" unsigned long getauxval(unsigned long type) {
   bool exists;
-  unsigned long result = __bionic_getauxval(type, exists);
+  unsigned long result = __bionic_getauxval(type, &exists);
   if (!exists) errno = ENOENT;
   return result;
 }