diff --git a/assets/js/checkout.js b/assets/js/checkout.js
index 3da5eca..249c57d 100644
--- a/assets/js/checkout.js
+++ b/assets/js/checkout.js
@@ -55,6 +55,7 @@ $(window).on('load', function(){
     $("#successful-submitting-form").delay(4000).slideUp(200, function() { $(this).alert('close'); });
     $('#anfrage').submit(function(event){
         event.preventDefault();
+        let form = $(this);
         getInfoFromSelectedProduct().done(function(response, status){
             let products = response.contents.map(product => {
                 product = getProductInfo(product);
@@ -64,7 +65,7 @@ $(window).on('load', function(){
             $('#ccart').val(JSON.stringify({"total-price": totalPrice, "products": products}));
             objProducts = [];
             localStorage.setItem("products", JSON.stringify(objProducts));
-            $(this).unbind('submit').submit();
+            form.unbind('submit').submit();
         });
     });
     $(document).on('click', '.btn-remove-product', function(){