Liquid trap volume compensator

The present invention relates to a canister (1), for filtering fuel vapour in the venting loop of a fuel system, provided with a canister body (2) forming a container for filter material, such as activated carbon (3), the canister (1) comprising a connection for an inlet line for guiding fuel vapour towards the canister (1), and a liquid trap (6) for the collection of liquid transported towards the canister (1) via the inlet line, wherein, the liquid trap (6) is positioned inside the canister body (2).