channel names are broken

[0xBADDCAFE]

Last character in name is lost.

$ gomirc
2015/02/05 19:12:46 Connected to localhost:6668 (127.0.0.1:6668)
JOIN s_of_p!s_of_p@lingr.com #vi
JOIN s_of_p!s_of_p@lingr.com #computer_scienc
JOIN s_of_p!s_of_p@lingr.com #momong
JOIN s_of_p!s_of_p@lingr.com #ling

These name are "vim", "computer_science", "momonga", "lingr" if correctly.

Or, this is thoj/go-ircevent's issue?

P.S.

This doesn't happen in https://github.com/mattn/gomirc/tree/37c83e4eba43a57d8f03016b8be1a7b65b8544e8 commit.