diff --git a/src/OpenApi/Attributes/Response/Content/ItemsJson.php b/src/OpenApi/Attributes/Content/ItemsJson.php
similarity index 98%
rename from src/OpenApi/Attributes/Response/Content/ItemsJson.php
rename to src/OpenApi/Attributes/Content/ItemsJson.php
index b423c5415..8de441f63 100644
--- a/src/OpenApi/Attributes/Response/Content/ItemsJson.php
+++ b/src/OpenApi/Attributes/Content/ItemsJson.php
@@ -14,7 +14,7 @@
  *  @license    http://www.pimcore.org/license     GPLv3 and PCL
  */
 
-namespace Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Content;
+namespace Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Content;
 
 use OpenApi\Attributes\Items;
 use OpenApi\Attributes\JsonContent;
diff --git a/src/OpenApi/Attributes/Request/ElementPropertyRequestBody.php b/src/OpenApi/Attributes/Request/ElementPropertyRequestBody.php
index f19eec518..a508b35e8 100644
--- a/src/OpenApi/Attributes/Request/ElementPropertyRequestBody.php
+++ b/src/OpenApi/Attributes/Request/ElementPropertyRequestBody.php
@@ -17,9 +17,8 @@
 namespace Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Request;
 
 use Attribute;
-use OpenApi\Attributes\Items;
-use OpenApi\Attributes\JsonContent;
 use OpenApi\Attributes\RequestBody;
+use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\Property\Schema\UpdateElementProperty;
 
 #[Attribute(Attribute::TARGET_METHOD)]
@@ -29,10 +28,7 @@ public function __construct()
     {
         parent::__construct(
             required: true,
-            content: new JsonContent(
-                type: 'array',
-                items: new Items(ref: UpdateElementProperty::class)
-            )
+            content: new ItemsJson(UpdateElementProperty::class)
         );
     }
 }
diff --git a/src/Property/Controller/CollectionController.php b/src/Property/Controller/CollectionController.php
index 357be46ec..763584c7e 100644
--- a/src/Property/Controller/CollectionController.php
+++ b/src/Property/Controller/CollectionController.php
@@ -19,9 +19,9 @@
 use OpenApi\Attributes\Get;
 use Pimcore\Bundle\StudioBackendBundle\Controller\AbstractApiController;
 use Pimcore\Bundle\StudioBackendBundle\Exception\InvalidQueryTypeException;
+use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Query\ElementTypeParameter;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Query\FilterParameter;
-use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\BadRequestResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\MethodNotAllowedResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\UnauthorizedResponse;
diff --git a/src/Property/Controller/Element/GetController.php b/src/Property/Controller/Element/GetController.php
index e7f150453..3aa1eec7b 100644
--- a/src/Property/Controller/Element/GetController.php
+++ b/src/Property/Controller/Element/GetController.php
@@ -18,9 +18,9 @@
 
 use OpenApi\Attributes\Get;
 use Pimcore\Bundle\StudioBackendBundle\Controller\AbstractApiController;
+use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Path\ElementTypeParameter;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Path\IdParameter;
-use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\MethodNotAllowedResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\NotFoundResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\UnauthorizedResponse;
diff --git a/src/Property/Controller/Element/PutController.php b/src/Property/Controller/Element/PutController.php
index 00b7a0f4a..5cdb96f7a 100644
--- a/src/Property/Controller/Element/PutController.php
+++ b/src/Property/Controller/Element/PutController.php
@@ -18,10 +18,10 @@
 
 use OpenApi\Attributes\Put;
 use Pimcore\Bundle\StudioBackendBundle\Controller\AbstractApiController;
+use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Path\ElementTypeParameter;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Parameters\Path\IdParameter;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Request\ElementPropertyRequestBody;
-use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Content\ItemsJson;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\MethodNotAllowedResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\NotFoundResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attributes\Response\Error\UnauthorizedResponse;
diff --git a/src/Property/Repository.php b/src/Property/Repository.php
index 8d10e4343..6635edb5c 100644
--- a/src/Property/Repository.php
+++ b/src/Property/Repository.php
@@ -73,7 +73,7 @@ public function updatePredefinedProperty(string $id, UpdatePredefinedProperty $p
         $predefined->setData($property->getData());
         $predefined->setConfig($property->getConfig());
         $predefined->setCtype($property->getCtype());
-        $predefined->setInheritable($property->getInheritable());
+        $predefined->setInheritable($property->isInheritable());
 
         $predefined->save();
 
diff --git a/src/Property/Service/PropertyService.php b/src/Property/Service/PropertyService.php
index ffdc64eb6..f21bb8b02 100644
--- a/src/Property/Service/PropertyService.php
+++ b/src/Property/Service/PropertyService.php
@@ -56,7 +56,7 @@ public function updateElementProperties(string $elementType, int $id, UpdateElem
             $property->setName($updateProperty->getKey());
             $property->setData($updateProperty->getData());
             $property->setInheritable($updateProperty->getInheritable());
-            $properties[] = $property;
+            $properties[$updateProperty->getKey()] = $property;
         }
         $element->setProperties($properties);
         $element->save();