diff --git a/bin/serve.js b/bin/serve.js
index 8e1295a6..94a69789 100644
--- a/bin/serve.js
+++ b/bin/serve.js
@@ -56,14 +56,11 @@ export async function serve(serveDirectory, key) {
       port++
     }
   }
-  console.log(`hyperparam server running on http://localhost:${port}`)
-  const isDev = process.env.NODE_ENV === 'development'
-  if (!isDev) {
-    if (!key) openUrl(`http://localhost:${port}`)
-    else {
-      key = encodeURIComponent(key)
-      openUrl(`http://localhost:${port}/files?key=${key}`)
-    }
+  const path = key ? `/files?key=${encodeURIComponent(key)}` : '/'
+  const url = `http://localhost:${port}${path}`
+  console.log(`hyperparam server running on ${url}`)
+  if (process.env.NODE_ENV !== 'development') {
+    openUrl(url)
   }
 }
 
diff --git a/package.json b/package.json
index 005dd51c..8b372e5f 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
     "test": "vitest run",
     "typecheck": "tsc --noEmit",
     "url": "run-p -l watch:ts watch:vite watch:url",
+    "preurl": "npm run build",
     "watch:ts": "tsc --watch",
     "watch:vite": "vite build --watch",
     "watch:serve": "NODE_ENV=development nodemon bin/cli.js",