diff --git a/Classes/Aspects/AssetExtensionsAspect.php b/Classes/Aspects/AssetExtensionsAspect.php
index 8bd5de7..513f804 100644
--- a/Classes/Aspects/AssetExtensionsAspect.php
+++ b/Classes/Aspects/AssetExtensionsAspect.php
@@ -15,7 +15,7 @@ class AssetExtensionsAspect
 {
     /**
      * @Flow\Introduce("class(Neos\Media\Domain\Model\Asset)")
-     * @ORM\ManyToMany(inversedBy="assets", indexBy="name")
+     * @ORM\ManyToMany(inversedBy="assets", indexBy="name", cascade={"persist"})
      * @var Collection<AssetAttribute>
      */
     protected $attributes;