1 files changed, 1 insertions, 1 deletions
diff --git a/proc.c b/proc.c
index 126932e8f0..651eaaad0d 100644
--- a/proc.c
+++ b/proc.c
@@ -1370,7 +1370,7 @@ mnew_internal(const rb_method_entry_t *me, VALUE klass,
     }
     if (me->def->type == VM_METHOD_TYPE_ZSUPER) {
 	if (me->defined_class) {
-	    VALUE klass = RCLASS_SUPER(me->defined_class);
+	    VALUE klass = RCLASS_SUPER(RCLASS_ORIGIN(me->defined_class));
 	    id = me->def->original_id;
 	    me = (rb_method_entry_t *)rb_callable_method_entry_without_refinements(klass, id);
 	}