1 files changed, 1 insertions, 1 deletions
diff --git a/vm_sync.c b/vm_sync.c
index 97848ada40..22c2299162 100644
--- a/vm_sync.c
+++ b/vm_sync.c
@@ -49,7 +49,7 @@ vm_lock_enter(rb_ractor_t *cr, rb_vm_t *vm, bool locked, bool no_barrier, unsign
     else {
 #if RACTOR_CHECK_MODE
         // locking ractor and acquire VM lock will cause deadlock
-        VM_ASSERT(cr->locked_by != cr->self);
+        VM_ASSERT(cr->sync.locked_by != cr->self);
 #endif
 
         // lock