Control ward vision bug.

The image is fairly self-explanatory, the control ward vision range is seemingly blocked by the wall if it is placed too close to it. I've done this many times in ranked games and it has been very annoying, the screenshots were taken in the practice tool. Also, I only tested it on the bot lane river brush, and I only tried control wards. If you put the control ward slightly higher in the bush it gives proper vision, as shown here.