<p>A drug delivery device (1 ) comprises an outer housing (2a) rollable around a rotation axis and at least one stop member (4). The stop member (4) protrudes radially from the outer housing (2a) of the drug delivery device (1 ) and is configured to prevent rolling movement of the drug delivery device (1 ) along a predetermined surface (7). The outer housing (2a) comprises a main housing (2b) and a dose member (3). The dose member (3) is movable with respect to the main housing (2b) when setting and / or delivering a dose of a drug. The stop member (4) comprises a first part (5) and a second part (6), wherein the first part (5) is arranged on the main housing (2b) and the second part (6) is arranged on the dose member (3).</p>
