An electrically heated aerosol-generating article is provided, including an aerosol-generating substrate including at least one aerosol former in an amount of between 5 percent and 30 percent by weight of the aerosol-generating substrate; a mouthpiece; and a paper wrapper circumscribing at least a portion of the aerosol-generating substrate, the paper wrapper having a wet tensile strength of at least 5 Newtons per 15 millimeters when measured in accordance with the Wet Tensile Strength Test using a 1:1 mixture of water and glycerine.