Gas strut, comprising a. a working cylinder which encloses an inner working space filled with a working gas, b. a working piston mounted displaceably along a stroke axis in the inner working space, c. an equalising cylinder which encloses the working cylinder at least over a partial length of the working cylinder along the stroke axis, d. an equalising medium which expands upon an increase in temperature, arranged in an equalising space radially to the stroke axis between the working cylinder and the equalising cylinder, characterised by e. an outer working space arranged radially to the stroke axis between the working cylinder and the equalising cylinder, i. wherein the outer working space is connected to the inner working space in a gas-conducting manner by a number of openings through a lateral wall of the working cylinder, f. an equalising piston enclosing the working cylinder radially to the stroke axis, wherein the equalising piston i. is mounted displaceably along the stroke axis, ii. delimits the outer working space on one side transversely to the stroke axis, and iii. is pressurised by a pressure of the working medium and a pressure of the equalising medium so as to increase the volume of the outer working space, and g. a restoring medium arranged in a restoring space radially to the stroke axis between the working cylinder and the equalising cylinder, wherein the equalising piston is pressurised by a pressure of the restoring medium so as to decrease the volume of the outer working space. a. a working cylinder which encloses an inner working space filled with a working gas, b. a working piston mounted displaceably along a stroke axis in the inner working space, c. an equalising cylinder which encloses the working cylinder at least over a partial length of the working cylinder along the stroke axis, d. an equalising medium which expands upon an increase in temperature, arranged in an equalising space radially to the stroke axis between the working cylinder and the equalising cylinder, characterised by e. an outer working space arranged radially to the stroke axis between the working cylinder and the equalising cylinder, i. wherein the outer working space is connected to the inner working space in a gas-conducting manner by a number of openings through a lateral wall of the working cylinder, i. wherein the outer working space is connected to the inner working space in a gas-conducting manner by a number of openings through a lateral wall of the working cylinder, f. an equalising piston enclosing the working cylinder radially to the stroke axis, wherein the equalising piston i. is mounted displaceably along the stroke axis, ii. delimits the outer working space on one side transversely to the stroke axis, and iii. is pressurised by a pressure of the working medium and a pressure of the equalising medium so as to increase the volume of the outer working space, and i. is mounted displaceably along the stroke axis, ii. delimits the outer working space on one side transversely to the stroke axis, and iii. is pressurised by a pressure of the working medium and a pressure of the equalising medium so as to increase the volume of the outer working space, and g. a restoring medium arranged in a restoring space radially to the stroke axis between the working cylinder and the equalising cylinder, wherein the equalising piston is pressurised by a pressure of the restoring medium so as to decrease the volume of the outer working space.