diff --git a/src/SWP/Bundle/ContentBundle/Resources/config/serializer/Model.ArticleMedia.yml b/src/SWP/Bundle/ContentBundle/Resources/config/serializer/Model.ArticleMedia.yml
index aa7bb8380..053e63825 100644
--- a/src/SWP/Bundle/ContentBundle/Resources/config/serializer/Model.ArticleMedia.yml
+++ b/src/SWP/Bundle/ContentBundle/Resources/config/serializer/Model.ArticleMedia.yml
@@ -41,6 +41,10 @@ SWP\Bundle\ContentBundle\Model\ArticleMedia:
         license:
             expose: true
             groups: [api, public_api]
+        key:
+            expose: true
+            groups: [ api, public_api ]
+            type: string
     relations:
         -
             rel: download