diff --git a/packages/@uppy/companion/src/server/controllers/s3.js b/packages/@uppy/companion/src/server/controllers/s3.js
index de928017b3..05f7339a0a 100644
--- a/packages/@uppy/companion/src/server/controllers/s3.js
+++ b/packages/@uppy/companion/src/server/controllers/s3.js
@@ -204,7 +204,7 @@ module.exports = function s3 (config) {
         next(err)
         return
       }
-      res.json({ url })
+      res.json({ url, expires: config.expires })
     })
   }