When I connect my MBP to my TV, one of the 4 ports doesn't play any sound.

When I connect my 2017 MBP w/ TouchBar to my TV via HDMI and the USB-C Digital AV Multiport Adapter, one of the 4 ports doesn't play any sound. The video plays just fine, and the other 3 ports all play sound out of the TV's speakers. It is the second port on the left, if that makes a difference. I tried messing with the settings but wasn't successful, I also checked to make sure it wasn't just the site by restarting safari and testing a few different videos from YouTube, Xfinity stream tv, Hulu, and Netflix. Any help is appreciated!