diff --git a/index.js b/index.js
index 3651240..76c2da3 100644
--- a/index.js
+++ b/index.js
@@ -310,7 +310,11 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
       nEnv["GATEWAY_INTERFACE"] = "CGI/1.1";
       nEnv["REQUEST_URI"] = (!origHref || origHref == href) ? req.url : (origHref + (uobject.search ? ("?" + uobject.search) : ""));
       nEnv["REMOTE_ADDR"] = (req.socket.realRemoteAddress ? req.socket.realRemoteAddress : ((req.headers["x-forwarded-for"] && configJSON.enableIPSpoofing) ? req.headers["x-forwarded-for"].split(",")[0].replace(/ /g, "") : req.socket.remoteAddress)).replace(/^::ffff:/i, "");
-      nEnv["REMOTE_PORT"] = (req.socket.realRemotePort ? req.socket.realRemotePort : req.socket.remotePort);
+      if(req.socket.realRemoteAddress && req.socket.realRemotePort) {
+        nEnv["REMOTE_PORT"] = req.socket.realRemotePort;
+      } else if(!(req.socket.realRemoteAddress && !req.socket.realRemotePort)) {
+        nEnv["REMOTE_PORT"] = req.socket.remotePort;
+      }
       nEnv["SCRIPT_NAME"] = a;
       nEnv["SCRIPT_FILENAME"] = (process.cwd() + (require("os").platform == "win32" ? a.replace(/\//g, "\\") : a)).replace((require("os").platform == "win32" ? /\\\\/g : /\/\//g), (require("os").platform == "win32" ? "\\" : "/"));
       if (req.socket.encrypted) nEnv["HTTPS"] = "ON";