An aerosol delivery device (1) comprising a mouthpiece end (18)； an aerosol generation chamber (16) in fluid communication with the mouthpiece end via a primary air channel (3), wherein the aerosol generation chamber comprises an aerosol source for generating an aerosol from a source material for inhalation by a user through the mouthpiece end during use； and a sensor (8) for detecting when a user inhales on the mouthpiece end, wherein the sensor is in fluid communication with the mouthpiece end via a secondary air channel (5), and wherein the sensor is located further from the mouthpiece end than the aerosol source, and the secondary air channel bypasses the aerosol generation chamber.
