 In pre-season training for the 2011–12 A PFG season, Dyakov ruptured his anterior cruciate ligament and meniscus, and received surgery.His recovery was said to take up to six months.He made his comeback for Slavia from a serious knee injury on 8 February 2012, playing for 25 minutes in a 2–1 friendly loss against Kolkheti-1913 Poti.