Two-needle sewing machine with an - upper thread cutter assembly, -- having a cutter installation for cutting off at least two upper threads which are in each case assigned to the stitch-forming components of one of the two needles (6, 7), -- having a counter cutter installation which for cutting off the upper threads interacts with the cutter installation, -- wherein the cutter installation has two individual blades (12, 13) for in each case one of the upper threads, -- having a cutter spacing adjustment installation for predefining a nominal spacing between the individual blades (12, 13) transverse to a sewing direction, wherein the predefined nominal spacing is selectable from at least two cutter spacing values, -- wherein the cutter spacing adjustment installation is embodied such that, irrespective of the respective nominal spacing adjusted, a centring of the individual blade positions is performed relative to a central plane which runs in a vertically centric manner along the sewing direction between the two needles (6, 7), - wherein the upper thread cutter assembly is mounted to an upper arm of the two-needle sewing machine. - upper thread cutter assembly, -- having a cutter installation for cutting off at least two upper threads which are in each case assigned to the stitch-forming components of one of the two needles (6, 7), -- having a counter cutter installation which for cutting off the upper threads interacts with the cutter installation, -- wherein the cutter installation has two individual blades (12, 13) for in each case one of the upper threads, -- having a cutter spacing adjustment installation for predefining a nominal spacing between the individual blades (12, 13) transverse to a sewing direction, wherein the predefined nominal spacing is selectable from at least two cutter spacing values, -- wherein the cutter spacing adjustment installation is embodied such that, irrespective of the respective nominal spacing adjusted, a centring of the individual blade positions is performed relative to a central plane which runs in a vertically centric manner along the sewing direction between the two needles (6, 7), -- having a cutter installation for cutting off at least two upper threads which are in each case assigned to the stitch-forming components of one of the two needles (6, 7), -- having a counter cutter installation which for cutting off the upper threads interacts with the cutter installation, -- wherein the cutter installation has two individual blades (12, 13) for in each case one of the upper threads, -- having a cutter spacing adjustment installation for predefining a nominal spacing between the individual blades (12, 13) transverse to a sewing direction, wherein the predefined nominal spacing is selectable from at least two cutter spacing values, -- wherein the cutter spacing adjustment installation is embodied such that, irrespective of the respective nominal spacing adjusted, a centring of the individual blade positions is performed relative to a central plane which runs in a vertically centric manner along the sewing direction between the two needles (6, 7), - wherein the upper thread cutter assembly is mounted to an upper arm of the two-needle sewing machine.