diff --git a/js/index.js b/js/index.js
index bb533e4b1e4869da821eea4e7c94617cac555451..7dc4a36ef5d6762b17598d730acc1b0588649daa 100644
--- a/js/index.js
+++ b/js/index.js
@@ -25,7 +25,7 @@ $(() => {
             url: phpvar.ajax_url,
             type: "post",
             data: {
-                action: 'woocommerce_after_checkout_validation',
+                action: 'validate_checkout',
                 nonce: phpvar.nonce,
             },
             success: function (data) {