diff --git a/src/KekRozsak/FrontBundle/Entity/Document.php b/src/KekRozsak/FrontBundle/Entity/Document.php
index dbfc9f8..fc7905e 100644
--- a/src/KekRozsak/FrontBundle/Entity/Document.php
+++ b/src/KekRozsak/FrontBundle/Entity/Document.php
@@ -182,12 +182,7 @@ class Document
 
 	/**
 	 * @var Doctrine\Common\Collections\ArrayCollection $groups
-	 * @ORM\ManyToMany(targetEntity="KekRozsak\FrontBundle\Entity\Group")
-	 * @ORM\JoinTable(name="group_document", joinColumns={
-	 *     @ORM\JoinColumn(name="document_id", referencedColumnName="id"),
-	 * }, inverseJoinColumns={
-	 *     @ORM\JoinColumn(name="group_id", referencedColumnName="id")
-	 * })
+	 * @ORM\ManyToMany(targetEntity="KekRozsak\FrontBundle\Entity\Group", mappedBy="documents")
 	 */
 	protected $groups;
 
diff --git a/src/KekRozsak/FrontBundle/Entity/Group.php b/src/KekRozsak/FrontBundle/Entity/Group.php
index b178e22..0c14f9c 100644
--- a/src/KekRozsak/FrontBundle/Entity/Group.php
+++ b/src/KekRozsak/FrontBundle/Entity/Group.php
@@ -305,7 +305,12 @@ class Group
 
 	/**
 	 * @var Doctrine\Common\Collections\ArrayCollection $documents
-	 * @ORM\ManyToMany(targetEntity="Document")
+	 * @ORM\ManyToMany(targetEntity="Document", inversedBy="groups")
+	 * @ORM\JoinTable(name="group_document", inverseJoinColumns={
+	 *     @ORM\JoinColumn(name="document_id", referencedColumnName="id"),
+	 * }, joinColumns={
+	 *     @ORM\JoinColumn(name="group_id", referencedColumnName="id")
+	 * })
 	 */
 	protected $documents;