An adhesive tape dispenser having a holder for an adhesive tape roll (2) and a guide system for an adhesive tape (3) pulled off from the adhesive tape roll (2) and a deflecting edge (10) for the pulled-off adhesive tape (3). Deflecting edge is arranged at the end of the guide system in the pull-off direction (A) and deflects the pulled-off adhesive tape (3) from the pull-off direction (A). The deflecting edge (10) has a deflection axis, which has a component directed in the pull-off direction (A), and an affixing direction (B) is arranged transversely to the pull-off direction (A).