diff --git a/index.js b/index.js
index d8d4b19..50929dc 100644
--- a/index.js
+++ b/index.js
@@ -31,6 +31,8 @@ scgiConf.path = scgiConf.path.replace(/([^\/])\/+$/, "$1");
 if (scgiConf.host === undefined) scgiConf.host = "localhost";
 if (scgiConf.port === undefined) scgiConf.port = 4000;
 
+var disableModExposeSupported = process.versions.svrjs && process.versions.svrjs.match(/^(?:Nightly-|(?:[4-9]|[123][0-9])[0-9]*\.|3\.(?:[1-9][0-9]+\.|9\.(?:[1-9])|4\.(?:(?:[3-9]|[12][0-9])[0-9]+|29)))/i);
+
 function Mod() {}
 
 Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, ext, uobject, search, defaultpage, users, page404, head, foot, fd, elseCallback, configJSON, callServerError, getCustomHeaders, origHref, redirect, parsePostData) {
@@ -237,8 +239,9 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
           req.socket.localPort,
           getCustomHeaders ?
           getCustomHeaders()["Server"] +
+          (disableModExposeSupported && (configJSON.exposeModsInErrorPages || configJSON.exposeModsInErrorPages === undefined) ?
           " OrangeCircle/" +
-          version :
+          version : "") :
           "SVR.JS/" +
           configJSON.version +
           " (" +