diff --git a/templates/checkout.html b/templates/checkout.html
index 019fa99..01e83ec 100644
--- a/templates/checkout.html
+++ b/templates/checkout.html
@@ -436,7 +436,7 @@
                 btn.innerHTML = '<span class="spinner-border spinner-border-sm"></span> Procesando...';
 
                 try {
-                    alert("total: " total)
+                    alert("total: " + total)
                     // const response = await fetch('/process_payment', {
                     //     method: 'POST',
                     //     headers: { 'Content-Type': 'application/json' },