diff --git a/proc.c b/proc.c index c2e0dde9f1..475259cca9 100644 --- a/proc.c +++ b/proc.c @@ -559,7 +559,7 @@ bind_receiver(VALUE bindval) } static VALUE -proc_new(VALUE klass, int is_lambda) +proc_new(VALUE klass, int8_t is_lambda) { VALUE procval = Qnil; rb_thread_t *th = GET_THREAD();