sound cue playing in start of a level.

Hello people, I have stuck to an issue. I have a sound cue that is auto activated off from details and I have set it with a trigger box in level blueprint. Now what I want is to just play it when the player overlaps with the trigger. Indeed that is what is doing but every time that I start the level I hear it once. Again the sound cue has off the auto activation from detail panel. What do I missing?