The invention relates to an automatic injection device (1) for a product contained in a container (50), comprising:a housing (8, 19) receiving the container (50), the container being movable between an initial position and an insertion position,triggering means (23) for initiating the movement of said container (50) from its initial position to its insertion position, said triggering means (23) being in one of a passive state, in which application of a force on said triggering means does not initiate movement of said container (50), and an active state, in which application of said force on said triggering means does initiate said movement, anda safety shield (10) movable with respect to said housing (8, 19) between a first position and a second position, movement of said safety shield (10) from its first position to its second position placing said triggering means (23) in its active state,characterized in that said device comprises:an indicator (19c, 13) that provides an indication to a user of the device (1) that the safety shield (10) has reached its second position.
