Abstract: A device for preventing a roller mounted retractable awning from deploying comprising a mounting bracket adapted to secure the device to the support arm of an awning, a locking band configured to encircle the awning roller, an extension member provided between and interconnecting the mounting bracket and the locking band so that said locking band is aligned transverse to the longitudinal axis of the mounting bracket and an actuator operatively associated with the locking band for engaging a roller of a retractable awning to prevent rotation and deployment of the awning.