diff --git a/src/clients/irc/nick.mjs b/src/clients/irc/nick.mjs
index aac3812..94a8645 100644
--- a/src/clients/irc/nick.mjs
+++ b/src/clients/irc/nick.mjs
@@ -2,7 +2,7 @@ export default bot => {
   bot._cmd.set("NICK", msg => { // nickchange
     let prefix = bot.parsePrefix(msg.prefix);
     if (bot.server.user.has(prefix.nick))
-      bot.server.user.del(prefix.nick);
+      bot.server.user.delete(prefix.nick);
     bot.whois(msg.params[0], true); // force
   });
 };