Ngrok setup an SSL local tunnel to an existing Vhost

I'm trying t use Ngrok to create a local tunnel to an SSL Virtual host I have on my local machine, but can't seem to get it to work.

My Vhost works perfectly. The site is http://ift.tt/1udZs5C

Any of the command I try to use to predefine the pointing url on Ngrok, e.g.

./ngrok http -host-header=rewrite local.mysite.com:443

or

./ngrok http -subdomain=local.mysite.com local.mysite.com:443

always seems to return:

Bad Request Your browser sent a request that this server could not understand. Reason: You're speaking plain HTTP to an SSL-enabled server port. Instead use the HTTPS scheme to access this URL, please.

I get that this is happening because I am trying to access a HTTPS connection via a HTTP call but I can't see alternatives in the ngrok docs.

http://ift.tt/1ielpD4