diff --git a/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_item.html.twig b/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_item.html.twig
index f60b826cbf..a69270ecc3 100644
--- a/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_item.html.twig
+++ b/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_item.html.twig
@@ -76,7 +76,7 @@
             {% else %}
                 <div class="input-group gap-2">
                     {% set relation_id = random() %}
-                    {{ form_widget(form.quantity, {attr: {class: 'form-control cart-item-quantity cs-unit-input', 'data-cs-unit-identifier': relation_id }}, coreshop_test_form_attribute('cart-item-quantity-input', item.name)) }}
+                    {{ form_widget(form.quantity, coreshop_test_form_attribute('cart-item-quantity-input', item.name)|coreshop_merge_recursive( {attr: {class: 'form-control cart-item-quantity cs-unit-input', 'data-cs-unit-identifier': relation_id } })) }}
 
                     {% if item.hasUnitDefinition %}
                         <div class="input-group-append">
diff --git a/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_summary.html.twig b/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_summary.html.twig
index f37deea573..09582974e0 100644
--- a/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_summary.html.twig
+++ b/src/CoreShop/Bundle/FrontendBundle/Resources/views/Cart/Summary/_summary.html.twig
@@ -8,8 +8,8 @@
 {% set taxes = cart.taxes %}
 
 <div class="input-group mt-3 mt-md-0">
-    {{ form_widget(form.cartRuleCoupon, coreshop_test_form_attribute('voucher-code'), { attr: {placeholder: 'coreshop.ui.voucher.code'|trans}}) }}
-    {{ form_widget(form.submit_voucher, coreshop_test_form_attribute('apply-voucher-button'), { attr: { class: 'd-flex align-items-center justify-content-center btn btn-secondary btn btn-secondary' }, label: 'coreshop.ui.voucher.apply_code'|trans }) }}
+    {{ form_widget(form.cartRuleCoupon, coreshop_test_form_attribute('voucher-code')|coreshop_merge_recursive( { attr: {placeholder: 'coreshop.ui.voucher.code'|trans}})) }}
+    {{ form_widget(form.submit_voucher, coreshop_test_form_attribute('apply-voucher-button')|coreshop_merge_recursive( { attr: { class: 'd-flex align-items-center justify-content-center btn btn-secondary btn btn-secondary' }, label: 'coreshop.ui.voucher.apply_code'|trans })) }}
 </div>
 
 {% include '@CoreShopFrontend/Cart/Summary/_rules.html.twig' %}