Lens flare going through some imported meshes

Hello,

Im aware mesh colliders block lens flare effect, Im working on a space game and have imported a couple of meshes I created in Blender, mostly asteroids and planets and never had a problem with the flares going through them. The problems started when I imported the cockpit mesh. I understand colliders need to be very low poly, but my cockpit only has 102 faces, 204 triangles, it should be working as a mesh collider and block the flare, but this one isnt.. and Im not aware why... can someone help me with this problem?

Thanks