diff --git a/eval.c b/eval.c
index e4c053c7fe..35397c2741 100644
--- a/eval.c
+++ b/eval.c
@@ -51,6 +51,7 @@ ruby_setup(void)
     ruby_init_stack((void *)&state);
     Init_BareVM();
     Init_heap();
+    Init_vm_objects();
 
     PUSH_TAG();
     if ((state = EXEC_TAG()) == 0) {
diff --git a/internal.h b/internal.h
index f93d3f7751..b02f926feb 100644
--- a/internal.h
+++ b/internal.h
@@ -889,6 +889,7 @@ rb_serial_t rb_next_class_serial(void);
 VALUE rb_obj_is_thread(VALUE obj);
 void rb_vm_mark(void *ptr);
 void Init_BareVM(void);
+void Init_vm_objects(void);
 VALUE rb_vm_top_self(void);
 void rb_thread_recycle_stack_release(VALUE *);
 void rb_vm_change_state(void);
diff --git a/vm.c b/vm.c
index 82bf75bc44..c89d3a35f3 100644
--- a/vm.c
+++ b/vm.c
@@ -2726,7 +2726,17 @@ Init_BareVM(void)
     th->vm = vm;
     th_init(th, 0);
     ruby_thread_init_stack(th);
+}
+
+void
+Init_vm_objects(void)
+{
+    rb_vm_t *vm = GET_VM();
+
     vm->defined_module_hash = rb_hash_new();
+
+    /* initialize mark object array, hash */
+    vm->mark_object_ary = rb_ary_tmp_new(1);
 }
 
 /* top self */
@@ -2751,9 +2761,6 @@ Init_top_self(void)
     vm->top_self = rb_obj_alloc(rb_cObject);
     rb_define_singleton_method(rb_vm_top_self(), "to_s", main_to_s, 0);
     rb_define_alias(rb_singleton_class(rb_vm_top_self()), "inspect", "to_s");
-
-    /* initialize mark object array, hash */
-    vm->mark_object_ary = rb_ary_tmp_new(1);
 }
 
 VALUE *