diff --git a/Service/Menu/Cloner.php b/Service/Menu/Cloner.php
index 269e54b2..1beea3d3 100644
--- a/Service/Menu/Cloner.php
+++ b/Service/Menu/Cloner.php
@@ -6,6 +6,7 @@
 
 use Exception;
 use Magento\Framework\App\ResourceConnection;
+use Magento\Framework\Serialize\SerializerInterface;
 use Snowdog\Menu\Api\Data\MenuInterface;
 use Snowdog\Menu\Api\Data\MenuInterfaceFactory;
 use Snowdog\Menu\Api\Data\NodeInterfaceFactory;
@@ -57,6 +58,11 @@ class Cloner
      */
     private $menuNodes;
 
+    /**
+     * @var SerializerInterface
+     */
+    private $serializer;
+
     public function __construct(
         ResourceConnection $resource,
         MenuInterfaceFactory $menuFactory,
@@ -65,7 +71,8 @@ public function __construct(
         NodeRepositoryInterface $nodeRepository,
         MenuIdentifierProcessor $menuIdentifierProcessor,
         NodeTypeProvider $nodeTypeProvider,
-        MenuNodes $menuNodes
+        MenuNodes $menuNodes,
+        SerializerInterface $serializer
     ) {
         $this->resource = $resource;
         $this->menuFactory = $menuFactory;
@@ -75,6 +82,7 @@ public function __construct(
         $this->menuIdentifierProcessor = $menuIdentifierProcessor;
         $this->nodeTypeProvider = $nodeTypeProvider;
         $this->menuNodes = $menuNodes;
+        $this->serializer = $serializer;
     }
 
     /**
@@ -103,8 +111,13 @@ public function clone(MenuInterface $menu): MenuInterface
 
             foreach ($this->menuNodes->getList($menu) as $node) {
                 $nodeClone = $this->nodeFactory->create();
+                $data = $node->getData();
+
+                if (isset($data['customer_groups'])) {
+                    $data['customer_groups'] = $this->serializer->serialize((array) $data['customer_groups']);
+                }
 
-                $nodeClone->setData($node->getData());
+                $nodeClone->setData($data);
                 $nodeClone->setId(null);
                 $nodeClone->setMenuId($menuCloneId);