diff options
Diffstat (limited to 'class.c')
-rw-r--r-- | class.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -214,8 +214,8 @@ void rb_check_inheritable(VALUE super) { if (!RB_TYPE_P(super, T_CLASS)) { - rb_raise(rb_eTypeError, "superclass must be a Class (%s given)", - rb_obj_classname(super)); + rb_raise(rb_eTypeError, "superclass must be a Class (%"PRIsVALUE" given)", + rb_obj_class(super)); } if (RBASIC(super)->flags & FL_SINGLETON) { rb_raise(rb_eTypeError, "can't make subclass of singleton class"); |