 Lang returned to Third Lanark in October 1877 and played in their 1878 Scottish Cup Final defeat to Vale of Leven.Despite returning north of the border, Lang still featured for The Wednesday in 1878, playing in three Sheffield Challenge Cup matches, including the final in which Wednesday beat Attercliffe 2–0.While still at Third Lanark, Lang played once more for Wednesday in January 1879 against Heeley, before returning full-time to South Yorkshire for the 1879–80 season.