diff --git a/src/irc.coffee b/src/irc.coffee
index 7ad6155..ad029d8 100644
--- a/src/irc.coffee
+++ b/src/irc.coffee
@@ -61,8 +61,10 @@ class IrcBot extends Adapter
       unflood:  process.env.HUBOT_IRC_UNFLOOD?
       debug:    process.env.HUBOT_IRC_DEBUG?
       usessl:   process.env.HUBOT_IRC_USESSL?
+      userName: process.env.HUBOT_IRC_USERNAME?
 
     client_options =
+      userName: options.userName,
       password: options.password,
       debug: options.debug,
       port: options.port,