diff --git a/lib/channel.js b/lib/channel.js
index b00bdd7b..9456dac3 100644
--- a/lib/channel.js
+++ b/lib/channel.js
@@ -888,7 +888,7 @@ Channel.prototype.userJoin = function(user, password) {
                                       "already in the channel");
                     return;
                 }
-                this.kick(u, "Duplicate login");
+                self.kick(u, "Duplicate login");
             }
         });
     }