The present invention relates to a drug delivery device for administering a dose of a medicament, comprising: -a first housing component (12； 66)； -a second housing component (14； 68) releasably interconnectable with the first housing component (12； 66) in a locked configuration, in which the second housing component (14； 68) covers a dispensing end of the device； -a safety lock member (20； 50) to mechanically engage with the first and with the second housing component (12,14； 66, 68) in order to inhibit unintentional release of first and second housing component (12, 14； 66, 68).
