diff --git a/public/upsell.html b/public/upsell.html
index 61a7a03..1198811 100644
--- a/public/upsell.html
+++ b/public/upsell.html
@@ -113,15 +113,15 @@
 
   <script>
     const params = new URLSearchParams(window.location.search);
-    const uuid = params.get("UUID");
+    const uuid = params.get("uuid");
 
     const webhookBase = "https://002-001-5dd6e535-4d1c-46bc-9bd9-42ad4bc5f082.odoo4projects.com/webhook/0c8536be-d175-4740-8e78-123159193b23"; 
-    const webhookGet = `/get-data?UUID=${uuid}`;
+    const webhookGet = `/get-data?uuid=${uuid}`;
     const webhookPost = `${webhookBase}/submit-data`;
 
 async function loadData() {
   if (!uuid) {
-    alert("Missing UUID parameter in URL");
+    alert("Missing uuid parameter in URL");
     return;
   }
   try {
@@ -196,7 +196,7 @@ function calculateCost() {
     document.getElementById("upgradeForm").addEventListener("submit", async (e) => {
       e.preventDefault();
       const payload = {
-        UUID: uuid,
+        uuid: uuid,
         git: document.getElementById("git").checked,
         domains: parseInt(document.getElementById("domains").value),
         backupSlots: parseInt(document.getElementById("backupSlots").value),