A corner bracket (14, 16) for a vertical moving door, the corner bracket (14, 16) comprising: a base plate configured to be attached to the door; and a guide path for a lift cable (4, 6) arranged in the base plate; wherein: a switch is arranged in the base plate and configured to be actuated by the lift cable (4, 6) in the event of a breakage of the lift cable (4, 6), wherein the switch is configured to transmit a signal to a control device to stop a motor in the event of a breakage of the lift cable (4, 6), said motor being configured to wind up and unwind the lift cable on a cable drum (18, 20), wherein a control element is configured to be controlled by the lift cable (4, 6), wherein: the control element is configured to be pushed by the lift cable (4, 6) to a first position when the lift cable (4, 6) extends into the guide path, the control element is configured to be released by the lift cable (4, 6) to a second position in the event of a breakage of the lift cable (4, 6), and the control element is configured to actuate the switch when the control element has been moved to the second position, characterised in that the control element is arranged in the guide path and in that the guide path comprises an aperture, through which aperture the control element is configured to extend. a base plate configured to be attached to the door; and a guide path for a lift cable (4, 6) arranged in the base plate; wherein: a switch is arranged in the base plate and configured to be actuated by the lift cable (4, 6) in the event of a breakage of the lift cable (4, 6), wherein the switch is configured to transmit a signal to a control device to stop a motor in the event of a breakage of the lift cable (4, 6), said motor being configured to wind up and unwind the lift cable on a cable drum (18, 20), wherein a control element is configured to be controlled by the lift cable (4, 6), wherein: the control element is configured to be pushed by the lift cable (4, 6) to a first position when the lift cable (4, 6) extends into the guide path, the control element is configured to be released by the lift cable (4, 6) to a second position in the event of a breakage of the lift cable (4, 6), and the control element is configured to actuate the switch when the control element has been moved to the second position, characterised in that the control element is arranged in the guide path and in that the guide path comprises an aperture, through which aperture the control element is configured to extend. a switch is arranged in the base plate and configured to be actuated by the lift cable (4, 6) in the event of a breakage of the lift cable (4, 6), wherein the switch is configured to transmit a signal to a control device to stop a motor in the event of a breakage of the lift cable (4, 6), said motor being configured to wind up and unwind the lift cable on a cable drum (18, 20), wherein a control element is configured to be controlled by the lift cable (4, 6), wherein: the control element is configured to be pushed by the lift cable (4, 6) to a first position when the lift cable (4, 6) extends into the guide path, the control element is configured to be released by the lift cable (4, 6) to a second position in the event of a breakage of the lift cable (4, 6), and the control element is configured to actuate the switch when the control element has been moved to the second position, characterised in that the control element is arranged in the guide path and in that the guide path comprises an aperture, through which aperture the control element is configured to extend. the control element is configured to be pushed by the lift cable (4, 6) to a first position when the lift cable (4, 6) extends into the guide path, the control element is configured to be released by the lift cable (4, 6) to a second position in the event of a breakage of the lift cable (4, 6), and the control element is configured to actuate the switch when the control element has been moved to the second position, characterised in that the control element is arranged in the guide path and in that the guide path comprises an aperture, through which aperture the control element is configured to extend.