 Later in the 2017–18 season, Tasci lost his first team place at Spartak Moscow, due to further injuries and demotion to the substitute bench.Despite this, he finished the 2017–18 season, making twenty–two appearances in all competitions.In March 2018, Tasci rejected a contract offer from Spartak Moscow once again and was expected to leave the club at the end of the 2017–18 season.