diff --git a/london.hackspace.org.uk/signup.php b/london.hackspace.org.uk/signup.php
index 51c24c1..d7c7cc5 100644
--- a/london.hackspace.org.uk/signup.php
+++ b/london.hackspace.org.uk/signup.php
@@ -32,7 +32,7 @@
         if (preg_match('/(bitcoin|btc)/', $_POST['fullname'])) {
             throw new fValidationException('Shilling your name is not a good idea');
         }
-	if (!in_array(strtolower(trim($_POST['spam_challenge'])), array('high road', 'high rd'))) {
+	if (!in_array(strtolower(trim($_POST['spam_challenge'])), array('standard', 'standard road', 'standard rd'))) {
             throw new fValidationException('Incorrect spam challenge');
 	}
         $user = new User();