1 files changed, 1 insertions, 1 deletions
diff --git a/vm_core.h b/vm_core.h
index 1ea9413b71..f32c33e5ec 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -274,7 +274,7 @@ void rb_objspace_free(struct rb_objspace *);
 typedef struct rb_vm_struct {
     VALUE self;
 
-    rb_thread_lock_t global_vm_lock;
+    rb_global_vm_lock_t gvl;
 
     struct rb_thread_struct *main_thread;
     struct rb_thread_struct *running_thread;