1 files changed, 1 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index c32b974363..f6a7b5dfb1 100644
--- a/eval.c
+++ b/eval.c
@@ -1078,6 +1078,7 @@ rb_using_refinement(NODE *cref, VALUE klass, VALUE module)
     FL_SET(module, RMODULE_IS_OVERLAID);
     c = iclass = rb_include_class_new(module, superclass);
     RCLASS_REFINED_CLASS(c) = klass;
+    RCLASS_M_TBL(c) = RCLASS_M_TBL(module);
     module = RCLASS_SUPER(module);
     while (module && module != klass) {
 	FL_SET(module, RMODULE_IS_OVERLAID);