diff --git a/src/Entity/Choice.php b/src/Entity/Choice.php
index cd838e4..8db1eba 100644
--- a/src/Entity/Choice.php
+++ b/src/Entity/Choice.php
@@ -10,6 +10,7 @@ use JMS\Serializer\Annotation as Serializer;
 /**
  * one poll choice, could be a text or a date
  * @ORM\Entity(repositoryClass="App\Repository\ChoiceRepository")
+ * @Serializer\ExclusionPolicy("all")
  */
 class Choice {
 	/**
diff --git a/src/Entity/Poll.php b/src/Entity/Poll.php
index 442f450..01521c8 100644
--- a/src/Entity/Poll.php
+++ b/src/Entity/Poll.php
@@ -10,7 +10,7 @@ use JMS\Serializer\Annotation as Serializer;
 
 /**
  * @ORM\Entity(repositoryClass="App\Repository\PollRepository")
- * @Serializer\ExclusionPolicy("ALL")
+ * @Serializer\ExclusionPolicy("all")
  */
 class Poll {
 	/**
@@ -86,44 +86,52 @@ class Poll {
 	 * send a mail on a new comment
 	 * @ORM\Column(type="boolean", nullable=true)
 	 * @Serializer\Type("boolean")
+	 * @Serializer\Expose()
 	 */
 	public $mailOnComment;
 	/**
 	 * send a mail on a new vote
 	 * @ORM\Column(type="boolean", nullable=true)
 	 * @Serializer\Type("boolean")
+	 * @Serializer\Expose()
 	 */
 	public $mailOnVote;
 	/**
 	 * hide publicly results
 	 * @ORM\Column(type="boolean", nullable=true)
 	 * @Serializer\Type("boolean")
+	 * @Serializer\Expose()
 	 */
 	public $hideResults;
 	/**
 	 * show publicly results even if there is a password to access the vote
 	 * @ORM\Column(type="boolean", nullable=true)
 	 * @Serializer\Type("boolean")
+	 * @Serializer\Expose()
 	 */
 	public $showResultEvenIfPasswords;
 	/**
 	 * @ORM\OneToMany(targetEntity="App\Entity\Vote", mappedBy="poll", orphanRemoval=true, cascade={"persist", "remove"})
 	 * @Serializer\Type("App\Entity\Vote")
+	 * @Serializer\Expose()
 	 */
 	public $votes;
 	/**
 	 * @ORM\OneToMany(targetEntity="App\Entity\StackOfVotes", mappedBy="poll", orphanRemoval=true, cascade={"persist", "remove"})
 	 * @Serializer\Type("App\Entity\StackOfVotes")
+	 * @Serializer\Expose()
 	 */
 	public $stacksOfVotes;
 	/**
 	 * @ORM\OneToMany(targetEntity="App\Entity\Choice", mappedBy="poll", orphanRemoval=true, cascade={"persist", "remove"})
 	 * @Serializer\Type("App\Entity\Choice")
+	 * @Serializer\Expose()
 	 */
 	public $choices;
 	/**
 	 * @ORM\OneToMany(targetEntity="App\Entity\Comment", mappedBy="poll", orphanRemoval=true, cascade={"persist", "remove"})
 	 * @Serializer\Type("App\Entity\Comment")
+	 * @Serializer\Expose()
 	 */
 	public $comments;
 	/**
@@ -141,6 +149,7 @@ class Poll {
 	/**
 	 * number of days from now for default expiracy date
 	 * @var int
+	 * @Serializer\Expose()
 	 */
 	public $defaultExpiracyDaysFromNow = 60;
 	private $maxChoicesLimit = 25;