We show that under a condition of the Calderon type on ϕ the homeomorphisms f with finite distortion in W 1,ϕ loc and, in particular, f ∈ W 1,s loc for s > n−1 are the so-called lower Q-homeomorphisms with respect to p-modulus where Q(x) is equal to its outer p-dilatation K p,f (x).