J-BusinessDirectory - Business Listing Map Zoom

Where can I change the zoom level for the map that is shown on the listing page?

I am upgrading from 4.5.5 to 4.8.3 and the zoom is now the same as the search module.

4.5.5 Image (Trying to have the same zoom as this)

https://www.awesomescreenshot.com/image/2821975/4d5ff74be297906f0247851cd955eaef

4.8.3 Image 

https://www.awesomescreenshot.com/image/2821972/d5a448fffadc61d4c7390eca3430a6c9