diff --git a/app/checkout/success/demo/page.tsx b/app/checkout/success/demo/page.tsx
index 7b468d3..5b3f52d 100644
--- a/app/checkout/success/demo/page.tsx
+++ b/app/checkout/success/demo/page.tsx
@@ -26,7 +26,7 @@ const mockOrderDetails = {
       description: 'Curated mix of high-impact verified carbon offset projects',
       projects: [
         {
-          id: 1,
+          id: '1',
           name: 'Rimba Raya Biodiversity Reserve',
           type: 'Forestry',
           description: 'Protecting 64,000 hectares of tropical peat swamp forest in Borneo',
@@ -41,7 +41,7 @@ const mockOrderDetails = {
           }
         },
         {
-          id: 2,
+          id: '2',
           name: 'Verified Blue Carbon',
           type: 'Blue Carbon',
           description: 'Coastal wetland restoration for carbon sequestration',
@@ -56,7 +56,7 @@ const mockOrderDetails = {
           }
         },
         {
-          id: 3,
+          id: '3',
           name: 'Direct Air Capture Technology',
           type: 'Direct Air Capture',
           description: 'Advanced technology removing CO2 directly from atmosphere',
@@ -71,7 +71,7 @@ const mockOrderDetails = {
           }
         },
         {
-          id: 4,
+          id: '4',
           name: 'Renewable Energy Development',
           type: 'Renewable Energy',
           description: 'Wind and solar power generation replacing fossil fuels',