--- phpwhois-4.1.3-vanilla/whois.ip.lib.php     2008-05-17 20:18:02.000000000 +0200
+++ phpwhois-4.1.3/whois.ip.lib.php     2009-10-29 13:52:49.000000000 +0100
@@ -34,7 +34,7 @@
        if (empty($ip))
                return false;
 
-       if ((ip2long($p) == -1) or (ip2long($p) === false))
+       if ((ip2long($ip) == -1) or (ip2long($ip) === false))
                return false;
 
        $reserved_ips = array (