diff --git a/themes/finc/js/cart-finc.js b/themes/finc/js/cart-finc.js
index fc1ddd56c9e64d2eb7eee543bb57cd734a47aa44..0fbaf1015f44cd429d87a2f1db9a0f5745c5c320 100644
--- a/themes/finc/js/cart-finc.js
+++ b/themes/finc/js/cart-finc.js
@@ -1,7 +1,7 @@
 /* #18034 - inform screen reader about changes, eventually intregrate by PR into bootstrap cart.js - RL */
 $(document).ready(function() {
   var cart = document.getElementById("cartSummary");
-  if (cart !== undefined) {
+  if (cart != null) {
     cart.setAttribute("aria-live", "polite");
     cart.setAttribute("aria-atomic", "true");
   }