diff --git a/src/server.js b/src/server.js
index 27da106..f08a27f 100644
--- a/src/server.js
+++ b/src/server.js
@@ -476,7 +476,8 @@ async function start(opts) {
           if (data) {
             data['server_version'] =
               `${packageJson.name} v${packageJson.version}`;
-            data['public_url'] = opts.publicUrl || '/';
+            let xForwardedPath = req.get('X-Forwarded-Path') ? '/' + req.get('X-Forwarded-Path') : '';
+            data['public_url'] = opts.publicUrl || xForwardedPath + '/';
             data['is_light'] = isLight;
             data['key_query_part'] = req.query.key
               ? `key=${encodeURIComponent(req.query.key)}&`