deleting server ips when pressing refresh to many times

Put the summary of the bug you're having here
the server are deleting when i press refresh to many times
What I expected to happen was...:
Describe what you thought should happen here
patch it so it does not delete all my servers
What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. press the multiplayer refresh button till it deletes all the servers
2. ...
3. ...