An injection device includes: a housing defining a longitudinal axis； an operating element； a metering member held in the housing so as to be rotatable and fixed in the direction of the axis； the operating element, in a first position for setting a quantity to be dispensed, being mounted so as to be rotatable relative to the housing and rotationally fixedly connected to the metering member via a first coupling； the operating element, in a second position for dispensing, is rotationally fixedly connected to the housing via a second coupling and is rotatable in relation to the metering member； a first latching installation acting between operating element and housing, wherein the first latching installation is effective only in the operating element's first position； and, a second latching installation acting between operating element and metering member, wherein the second latching installation is effective only in the operating element's second position.
