1 files changed, 4 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 1f93f23197..40eb9b3b01 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -312,6 +312,10 @@ typedef struct rb_vm_struct {
 
     /* hook */
     rb_event_hook_t *event_hooks;
+
+#if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE
+    struct rb_objspace *objspace;
+#endif
 } rb_vm_t;
 
 typedef struct {