Cannot parse country when using .ch/switch template

[mariuswilms]

I get the following error when querying for whois on a .ch domain:

PHP Notice:  Undefined offset: 4 in /[...]/Templates/Switch.php on line 103

It seems the country isn't correctly parsed.

https://github.com/novutec/WhoisParser/blob/master/Templates/Switch.php#L103

This is the data I get from the whois query:

whois: This information is subject to an Acceptable Use Policy.
See http://www.nic.ch/terms/aup.html

Domain name:
johnsmith.ch

Holder of domain name:
smith john
teststreet 11
CH-1234 City
Switzerland
Contractual Language: German

Technical contact:
smith john
teststreet 11
CH-1234 City
Switzerland

DNSSEC:N

Name servers:
[...]