He expressed interest in running in the March 2018 Kowloon West by-election left vacant by pro-independence Youngspiration's Yau Wai-ching over the oath-taking controversy but announced his withdrawal at the press conference of the Power for Democracy's press conference on 5 December 2017 on the primary election between pro-democracy candidates and weighed supported behind another disqualified legislator Yiu Chung-yim.