 This included deputising at left back for the last two matches following injuries to both Marc Tierney and Adam Drury.At the start of 2012–13, Lappin scored his first goal for the club in over five years in a League Cup tie against Scunthorpe United, beating Sam Slocombe with a powerful effort from the edge of the box.He made his last appearance for the club on 5 January 2013, in a 3–0 win over Peterborough United in the third round of the FA Cup.