diff --git a/signup/signup-handler.php b/signup/signup-handler.php
index 9b4feef..f2d9d3e 100644
--- a/signup/signup-handler.php
+++ b/signup/signup-handler.php
@@ -55,6 +55,7 @@ function forbidden_name($name) {
         'wpad',
         'www',
         'znc',
+	'lukewarmcat',
     ]);
 }