diff --git a/index.js b/index.js
index 9913db9..f108c53 100755
--- a/index.js
+++ b/index.js
@@ -73,7 +73,7 @@ function start({
   if (!anonymous) {
     url.searchParams.set('runtime', `node${process.version}`)
     url.searchParams.set('version', VERSION)
-    url.searchParams.set('platform', process.platform)
+    url.searchParams.set('platform', '${process.platform}-${process.arch}')
     if (process.env.docker) {
       url.searchParams.set('docker', 'docker')
     }