Definition of boundary for a robotic work tool

A robotic work tool system comprising a robotic work tool () arranged to operate in an operational area (), the robotic work tool system comprising controller (A) being configured to receive () a map of the operational area, receive () a first temporary boundary (--), receive () a second temporary boundary (--), and generate () a composite boundary (C) encompassing the first and the second temporary boundaries (--), wherein the composite boundary (C) is the boundary () for the robotic work tool () when operating in the operational area ().