diff --git a/unitool.js b/unitool.js
index 0553507..f4826fa 100644
--- a/unitool.js
+++ b/unitool.js
@@ -151,8 +151,8 @@ export default {
       return route
     }
 
-    const hostname = envar.servHostname || globalThis.window?.location?.hostname || 'localhost'
-    const port = envar.servPort || globalThis.window?.location?.port || ''
+    const hostname = envar.servHostname || 'localhost'
+    const port = envar.servPort || ''
     const protocol = hostname === 'localhost' ? 'http' : envar.servProtocol || (process.env.NODE_ENV === 'production' ? 'https' : 'http')
 
     return `${protocol}://${hostname}${port ? ':' : ''}${port}/${route.replace(/^\//, '')}`