Canon tethering live view zoom

Up till recently, I have been using Canon's own software to tether shoot with Live View. With the newest LR capabilities, I decided to give LR's own Canon Live View tethering a try, but I've hit on a snag.

When focusing, Canon's software allowed me to zoom in real close on my computer monitor to check my precision, but I don't seem to be able to zoom in with LR.

Is this correct or am I missing something? 

Thanks