¶1Petitioner seeks review of a final order of the Superintendent of the Oregon State Penitentiary that found that he had violated a disciplinary rule and imposed, inter alia, a $100 fine.1 He first contends that there is insufficient evidence to support the finding of guilty. We disagree. However, respondent concedes, and we agree, that the fine is invalid. Watson v. OSP, 90 Or App 85, 750 P2d 1188 (1988).