diff --git a/runtime/mirror/reference-inl.h b/runtime/mirror/reference-inl.h
index d1d2a3a..01e99b9 100644
--- a/runtime/mirror/reference-inl.h
+++ b/runtime/mirror/reference-inl.h
@@ -22,9 +22,9 @@
 namespace art {
 namespace mirror {
 
-inline uint32_t Reference::ClassSize() {
+inline uint32_t Reference::ClassSize(size_t pointer_size) {
   uint32_t vtable_entries = Object::kVTableLength + 5;
-  return Class::ComputeClassSize(false, vtable_entries, 2, 0, 0, 0, 0);
+  return Class::ComputeClassSize(false, vtable_entries, 2, 0, 0, 0, 0, pointer_size);
 }
 
 inline bool Reference::IsEnqueuable() {