diff --git a/src/serve_data.js b/src/serve_data.js
index 49b666d..3a004dd 100644
--- a/src/serve_data.js
+++ b/src/serve_data.js
@@ -145,6 +145,7 @@ export const serve_data = {
           Object.assign(tileJSON, info);
 
           tileJSON['tilejson'] = '2.0.0';
+          tileJSON['id'] = id;
           delete tileJSON['filesize'];
           delete tileJSON['mtime'];
           delete tileJSON['scheme'];
diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index bef356d..f51f651 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -1063,6 +1063,7 @@ export const serve_rendered = {
     const tileJSON = {
       'tilejson': '2.0.0',
       'name': styleJSON.name,
+      'id': id,
       'attribution': '',
       'minzoom': 0,
       'maxzoom': 20,