diff --git a/index.js b/index.js
index c07772c..19776c4 100644
--- a/index.js
+++ b/index.js
@@ -149,14 +149,15 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         socket.write(envEncoded.length + ":" + envEncoded + ",");
         req.pipe(socket, {end: false});
       }).on("error", function (error) {
+        var errorcode = (error.code == "ENOTFOUND" || error.code == "EHOSTUNREACH" || error.code == "ECONNREFUSED") ? 503 : 500;
         if (!callServerError) {
-          res.writeHead(500, {
+          res.writeHead(errorcode, {
             "Content-Type": "text/html",
             "Server": "OrangeCircle/" + version
           });
           res.end("<html><head></head><body><h1>OrangeCircle Error!</h1><p>Reason: " + error.message + "</p></body></html>");
         } else {
-          callServerError(500, "OrangeCircle/" + version, error);
+          callServerError(errorcode, "OrangeCircle/" + version, error);
         }
       });
 
