More-info on generic camera still_image not possible?

Configuration
1

HI,

whenever I click on a generic camera: still_image, a question mark shows up

41

do I need to change the image url to be able to use the more-info, os is this a bug?

  - platform: generic
    still_image_url: http://api.buienradar.nl/image/1.0/RadarMapNL?w=500&h=512
    name: Buienradar