diff --git a/newscoop/library/Newscoop/Entity/Snippet.php b/newscoop/library/Newscoop/Entity/Snippet.php
index 4dec7e10dc..1e7aeed1f8 100644
--- a/newscoop/library/Newscoop/Entity/Snippet.php
+++ b/newscoop/library/Newscoop/Entity/Snippet.php
@@ -40,6 +40,7 @@ class Snippet
 
     /**
      * @ORM\OneToMany(targetEntity="Newscoop\Entity\Snippet\SnippetField", mappedBy="snippet")
+     * @ORM\JoinColumn(name="FieldId", referencedColumnName="Id")
      * @var Newscoop\Entity\Snippet\SnippetField
      */
     protected $fields;
diff --git a/newscoop/library/Newscoop/Entity/Snippet/SnippetField.php b/newscoop/library/Newscoop/Entity/Snippet/SnippetField.php
index 6eddb91efd..e02085695c 100644
--- a/newscoop/library/Newscoop/Entity/Snippet/SnippetField.php
+++ b/newscoop/library/Newscoop/Entity/Snippet/SnippetField.php
@@ -27,12 +27,14 @@ class SnippetField
 
     /**
      * @ORM\OneToOne(targetEntity="Newscoop\Entity\Snippet")
+     * @ORM\JoinColumn(name="SnippetId", referencedColumnName="Id")
      * @var Newscoop\Entity\Snippet
      */
     protected $snippet;
 
     /**
      * @ORM\OneToOne(targetEntity="Newscoop\Entity\Snippet\Template\TemplateField")
+     * @ORM\JoinColumn(name="TemplateId", referencedColumnName="Id")
      * @var Newscoop\Entity\Snippet\Template\TemplateField
      */
     protected $field;