diff --git a/app.js b/app.js
index 3525f4c..fb95a4f 100644
--- a/app.js
+++ b/app.js
@@ -8,7 +8,10 @@ const server = http.createServer((req, res) => {
   if (req.method === "GET" && parsedUrl.pathname === "/") {
     const key = parsedUrl.searchParams.get("key");
     const response = key
-      ? { message: "added to the response", value: process.env.Test }
+      ? {
+          message: "added to the response",
+          value: process.env[key] ?? "env not found",
+        }
       : { message: "key query param not found" };
 
     res.writeHead(200, { "Content-Type": "application/json" });