diff --git a/templates/checkout.html b/templates/checkout.html
index c1b3d03..e44620e 100644
--- a/templates/checkout.html
+++ b/templates/checkout.html
@@ -543,7 +543,7 @@
     let isProcessing = false;
 
     function isModalOpen() {
-        return !!document.querySelector('.modal.show, .modal[style*="display: block"]');
+        return !!document.querySelector('.modal.show');
     }
 
     function safeShowModal(id) {