diff --git a/Plugin/Catalog/Helper/Product/Configuration/AddVisibleInCheckoutAttributesToCustomOptionsPlugin.php b/Plugin/Catalog/Helper/Product/Configuration/AddVisibleInCheckoutAttributesToCustomOptionsPlugin.php
index 6106cd9..8e4abcf 100644
--- a/Plugin/Catalog/Helper/Product/Configuration/AddVisibleInCheckoutAttributesToCustomOptionsPlugin.php
+++ b/Plugin/Catalog/Helper/Product/Configuration/AddVisibleInCheckoutAttributesToCustomOptionsPlugin.php
@@ -9,6 +9,7 @@
 use FireGento\MageSetup\Service\GetVisibleCheckoutAttributesServiceInterface;
 use Magento\Catalog\Helper\Product\Configuration;
 use Magento\Catalog\Model\Product\Configuration\Item\ItemInterface;
+use Magento\Quote\Model\Quote\Item\AbstractItem;
 
 /**
  * Plugin to add visible in checkout attributes to the custom option list.
@@ -42,8 +43,34 @@ public function __construct(GetVisibleCheckoutAttributesServiceInterface $getVis
     public function afterGetCustomOptions(Configuration $configuration, array $customOptions, ItemInterface $item)
     {
         $attributes = $this->getVisibleCheckoutAttributesService->execute();
+
+        $configurableAttributes = $item->getOptionByCode('attributes') ? $item->getOptionByCode('attributes')->getValue() : [];
+        $configurableAttributes = $configurableAttributes ? array_keys(json_decode($configurableAttributes, true)) : [];
+
+        $product = $item->getProduct();
+
+        if (!$product) {
+            return [];
+        }
+
         foreach ($attributes as $attribute) {
-            $value = $attribute->getFrontend()->getValue($item->getProduct());
+            $attributeFrontend = $attribute->getFrontend();
+            $value = $attributeFrontend->getValue($product);
+
+            if ($item instanceof AbstractItem && $product->getTypeId() === 'configurable') {
+                if (in_array($attribute->getId(), $configurableAttributes) || !count($item->getChildren())) {
+                    // attribute is a configurable attribute. Magento will print it separately
+                    // or item has no children (but this should never occur)
+                    continue;
+                }
+
+                $children = $item->getChildren();
+                if ($children[0] instanceof AbstractItem && $children[0]->getProduct()) {
+                    // fetch the attribute value of the child
+                    $value = $attributeFrontend->getValue($children[0]->getProduct()) ?: $value;
+                }
+            }
+
             if (!$value) {
                 continue;
             }