diff --git a/runtime/mirror/class.h b/runtime/mirror/class.h
index a0d6f37..725939a 100644
--- a/runtime/mirror/class.h
+++ b/runtime/mirror/class.h
@@ -1232,7 +1232,7 @@
     explicit InitializeClassVisitor(uint32_t class_size) : class_size_(class_size) {
     }
 
-    void operator()(mirror::Object* obj, size_t usable_size) const
+    void operator()(ObjPtr<mirror::Object> obj, size_t usable_size) const
         REQUIRES_SHARED(Locks::mutator_lock_);
 
    private: