1 files changed, 1 insertions, 1 deletions
diff --git a/class.c b/class.c
index 9b286a83e9..8d237985b8 100644
--- a/class.c
+++ b/class.c
@@ -166,7 +166,7 @@ class_alloc(VALUE flags, VALUE klass)
     RCLASS_EXT(obj)->subclasses = NULL;
     RCLASS_EXT(obj)->parent_subclasses = NULL;
     RCLASS_EXT(obj)->module_subclasses = NULL;
-    RCLASS_EXT(obj)->seq = rb_next_class_sequence();
+    RCLASS_EXT(obj)->class_serial = rb_next_class_serial();
 
     RCLASS_REFINED_CLASS(obj) = Qnil;
     RCLASS_EXT(obj)->allocator = 0;