Multi Window with Chrome Browser topic

I just picked up the Note 4 (coming from a N5) and was messing around with all of the features. When I first started using the multi window feature, I was able to do 2 chrome tabs on top of one another. Now, for some reason, I can only do one chrome window and another app. It no longer lets me do 2 separate chrome windows. I tried 2 windows with the Samsung internet browser that comes installed and that works fine. Any thoughts? Thanks!