diff --git a/api/tech-stack.js b/api/tech-stack.js
index 788a8f6..596ba52 100644
--- a/api/tech-stack.js
+++ b/api/tech-stack.js
@@ -26,7 +26,7 @@ const analyze = async (url) => {
 
 exports.handler = async (event, context, callback) => {
   // Validate URL parameter
-  if (!event.queryStringParameters || !event.queryStringParameters.url) {
+  if (!(event.queryStringParameters || event.query).url) {
     return {
       statusCode: 400,
       body: JSON.stringify({ error: 'Missing url parameter' }),