Crash parsing message

[edsiper]

/home/edsiper/coding/slack-irc-plugin/node_modules/irc/lib/parse_message.js:39
message.command = match[1];
^
TypeError: Cannot read property '1' of null
at parseMessage (/home/edsiper/coding/slack-irc-plugin/node_modules/irc/lib/parse_message.js:39:28)
at iterator (/home/edsiper/coding/slack-irc-plugin/node_modules/irc/lib/irc.js:753:27)
at Array.forEach (native)
at Socket. (/home/edsiper/coding/slack-irc-plugin/node_modules/irc/lib/irc.js:752:15)
at Socket.emit (events.js:95:17)
at Socket. (stream_readable.js:764:14)
at Socket.emit (events.js:92:17)
at emitReadable (_stream_readable.js:426:10)
at emitReadable (_stream_readable.js:422:5)
at readableAddChunk (_stream_readable.js:165:9)