A method and manufacturing unit for producing a rotor blade (5) of a wind turbine (1) from at least a first rotor blade element (11, 11′, 12, 12′) and a second rotor blade element (11, 11′, 12, 12′). The first rotor blade element (11, 11′, 12, 12′) and the second rotor blade element (11, 11′, 12, 12′) are positioned in the desired relative arrangement with respect to each other such that a joint gap (13) remains between the first rotor blade element (11, 11′, 12, 12′) and the second rotor blade element (11, 11′, 12, 12′). Adhesive is introduced into the joint gap (13) for joining the first rotor blade element (11, 11′, 12, 12′) and the second rotor blade element (11, 11′, 12, 12′).