Entrapment of flexor hallucis longus after tibial fracture is very rare. We present a case of entrapment of flexor hallucis longus in a case of 36 years old male, who sustain an open tibial fracture. Fracture was stabilised with intramedullary nail. As a conseqence of entrapment of FHL hallux flexus was presented. After release of FHL in musculotendinous junction full range of motion in interphalangaela joint of hallux was obtained.