diff --git a/themes/bootstrap3/js/cart.js b/themes/bootstrap3/js/cart.js
index d7aef5f17e4d7511887aefc63358fff2a0c0bf4a..f31b2019df17bd02b9fb3bfcb140c5a0b029dcfe 100644
--- a/themes/bootstrap3/js/cart.js
+++ b/themes/bootstrap3/js/cart.js
@@ -178,6 +178,11 @@ VuFind.register('cart', function Cart() {
         $parent.find('.cart-add').click(function cartAddClick() {
           if(addItem(currentId, currentSource)) {
             $parent.find('.cart-add,.cart-remove').toggleClass('hidden');
+          } else {
+            $parent.popover({content: VuFind.translate('bookbagFull')});
+            setTimeout(function recordCartFullHide() {
+              $parent.popover('hide');
+            }, 5000);
           }
         });
         $parent.find('.cart-remove').click(function cartRemoveClick() {