diff --git a/html/user/create_account.php b/html/user/create_account.php
index 73ff19805a..20fb6905c5 100644
--- a/html/user/create_account.php
+++ b/html/user/create_account.php
@@ -48,7 +48,7 @@ $passwd_hash = get_str("passwd_hash");
 $user_name = get_str("user_name");
 $team_name = get_str("team_name", true);
 
-if (!is_valid_user_name($name, $reason)) {
+if (!is_valid_user_name($user_name, $reason)) {
     xml_error(-188, $reason);
 }