diff --git a/onyx2/require/str.php b/onyx2/require/str.php
index bb2c17f..f189642 100644
--- a/onyx2/require/str.php
+++ b/onyx2/require/str.php
@@ -72,6 +72,7 @@ function encode_ip($dotquad_ip=FALSE)
 	    if(!$dotquad_ip) $dotquad_ip = $_SERVER['REMOTE_ADDR'];
             
 	    $ip_sep = explode('.', $dotquad_ip);
+        if (empty($ip_sep[3])) $ip_sep = explode('.', "127.0.0.1");
 	    return sprintf('%02x%02x%02x%02x', $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]);
 	}