Can't join multiplayer session

Put the summary of the bug you're having here
I can't join my friends game we are on the same Wi-FI and the server is visible

*What I expected to happen was...:
Describe what you thought should happen here
I thought that I should see his server

What actually happened was...:
Describe what happened here
Well he could only join me but I couldn't join his because his server wasn't there

Steps to Reproduce:
1. Be in the same Wi-Fi
2. Make sure server is visible
3. Click on join game
4. No game is found