diff --git a/src/controllers/index.js b/src/controllers/index.js
index 7caec05855..4e323ce190 100644
--- a/src/controllers/index.js
+++ b/src/controllers/index.js
@@ -248,7 +248,7 @@ Controllers.robots = function (req, res) {
 		res.send(meta.config["robots.txt"]);
 	} else {
 		res.send("User-agent: *\n" +
-			"Disallow: /admin/\n" +
+			"Disallow: " + nconf.get('relative_path') + "/admin/\n" +
 			"Sitemap: " + nconf.get('url') + "/sitemap.xml");
 	}
 };