An assembly (30) for a drug delivery device (1) is provided, the assembly comprising an actuator (16) which is configured to perform a setting movement in order to set a dose of medication, and which is configured to perform a dispense movement in order to dispense a dose of medication. The assembly (30) further comprises a stop mechanism (31) which is configured to allow a setting movement of the actuator (16) after a maximum amount of medication has been delivered and to inhibit a dispense movement of the actuator (16) after a setting movement when a maximum amount of a medication has been delivered.
