Outdated servers don't show version

Put the summary of the bug you're having here

What I expected to happen was...:
'Failed to connect to server'
'Outdated server! I'm still on 1.7.5'

What actually happened was...:
http://gyazo.com/cdc09debd18cbadc553bd19ea947c47c
Screenshot above

Steps to Reproduce:
1. Go on the 14w18b snapshot
2. Visit an outdated server