The Reds’ hopes of progressing from Champions League Group C were dealt a blow by Tuesday’s 2-0 loss at the Rajko Mitic Stadium.
A below-par performance was punished by Milan Pavkov’s quickfire brace in the first half, although Jürgen Klopp’s side still have their fate in their own hands in terms of qualification for the knockout rounds.
Lallana insisted Liverpool’s squad were accountable their off-colour display, and the midfielder expects there to be a positive response to the setback in Serbia.