diff --git a/src/app/cart/page.tsx b/src/app/cart/page.tsx
index 9669759..a18b321 100644
--- a/src/app/cart/page.tsx
+++ b/src/app/cart/page.tsx
@@ -17,6 +17,11 @@ export default function CartPage() {
   useEffect(() => setMounted(true), []);
 
   const handleCheckout = () => {
+    // Set flag so LogoutOnUnload doesn't clear cart during navigation to checkout
+    if (typeof window !== 'undefined') {
+      sessionStorage.setItem('isCheckingOut', 'true');
+      console.log('💳 Cart checkout button clicked - set isCheckingOut flag');
+    }
     window.location.href = '/checkout';
   };