diff --git a/lib/API/JSON/ResponseBuilders/SubscribersResponseBuilder.php b/lib/API/JSON/ResponseBuilders/SubscribersResponseBuilder.php
index db3b89b66e..b95471e327 100644
--- a/lib/API/JSON/ResponseBuilders/SubscribersResponseBuilder.php
+++ b/lib/API/JSON/ResponseBuilders/SubscribersResponseBuilder.php
@@ -102,7 +102,7 @@ class SubscribersResponseBuilder {
 
   private function buildUnsubscribes(SubscriberEntity $subscriberEntity): array {
     $unsubscribes = $this->statisticsUnsubscribesRepository->findBy([
-      'subscriberId' => $subscriberEntity->getId(),
+      'subscriber' => $subscriberEntity,
     ], [
       'createdAt' => 'desc',
     ]);
diff --git a/lib/Entities/StatisticsClickEntity.php b/lib/Entities/StatisticsClickEntity.php
index b697771194..fba36fe2ed 100644
--- a/lib/Entities/StatisticsClickEntity.php
+++ b/lib/Entities/StatisticsClickEntity.php
@@ -33,10 +33,11 @@ class StatisticsClickEntity {
   private $queue;
 
   /**
-   * @ORM\Column(type="integer")
-   * @var int
+   * @ORM\ManyToOne(targetEntity="MailPoet\Entities\SubscriberEntity")
+   * @ORM\JoinColumn(name="subscriber_id", referencedColumnName="id")
+   * @var SubscriberEntity|null
    */
-  private $subscriberId;
+  private $subscriber;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterLinkEntity", inversedBy="clicks")
@@ -53,13 +54,13 @@ class StatisticsClickEntity {
   public function __construct(
     NewsletterEntity $newsletter,
     SendingQueueEntity $queue,
-    int $subscriberId,
+    SubscriberEntity $subscriber,
     NewsletterLinkEntity $link,
     int $count
   ) {
     $this->newsletter = $newsletter;
     $this->queue = $queue;
-    $this->subscriberId = $subscriberId;
+    $this->subscriber = $subscriber;
     $this->link = $link;
     $this->count = $count;
   }
@@ -103,10 +104,10 @@ class StatisticsClickEntity {
   }
 
   /**
-   * @param int $subscriberId
+   * @param SubscriberEntity|null $subscriber
    */
-  public function setSubscriberId($subscriberId) {
-    $this->subscriberId = $subscriberId;
+  public function setSubscriber($subscriber) {
+    $this->subscriber = $subscriber;
   }
 
   /**
diff --git a/lib/Entities/StatisticsOpenEntity.php b/lib/Entities/StatisticsOpenEntity.php
index e333d70c1b..e2714e469e 100644
--- a/lib/Entities/StatisticsOpenEntity.php
+++ b/lib/Entities/StatisticsOpenEntity.php
@@ -31,19 +31,20 @@ class StatisticsOpenEntity {
   private $queue;
 
   /**
-   * @ORM\Column(type="integer")
-   * @var int
+   * @ORM\ManyToOne(targetEntity="MailPoet\Entities\SubscriberEntity")
+   * @ORM\JoinColumn(name="subscriber_id", referencedColumnName="id")
+   * @var SubscriberEntity|null
    */
-  private $subscriberId;
+  private $subscriber;
 
   public function __construct(
     NewsletterEntity $newsletter,
     SendingQueueEntity $queue,
-    int $subscriberId
+    SubscriberEntity $subscriber
   ) {
     $this->newsletter = $newsletter;
     $this->queue = $queue;
-    $this->subscriberId = $subscriberId;
+    $this->subscriber = $subscriber;
   }
 
   /**
@@ -77,9 +78,9 @@ class StatisticsOpenEntity {
   }
 
   /**
-   * @param int $subscriberId
+   * @param SubscriberEntity|null $subscriber
    */
-  public function setSubscriberId($subscriberId) {
-    $this->subscriberId = $subscriberId;
+  public function setSubscriber($subscriber) {
+    $this->subscriber = $subscriber;
   }
 }
diff --git a/lib/Entities/StatisticsUnsubscribeEntity.php b/lib/Entities/StatisticsUnsubscribeEntity.php
index 65a76e269e..94df749477 100644
--- a/lib/Entities/StatisticsUnsubscribeEntity.php
+++ b/lib/Entities/StatisticsUnsubscribeEntity.php
@@ -35,10 +35,11 @@ class StatisticsUnsubscribeEntity {
   private $queue;
 
   /**
-   * @ORM\Column(type="integer")
-   * @var int
+   * @ORM\ManyToOne(targetEntity="MailPoet\Entities\SubscriberEntity")
+   * @ORM\JoinColumn(name="subscriber_id", referencedColumnName="id")
+   * @var SubscriberEntity|null
    */
-  private $subscriberId;
+  private $subscriber;
 
   /**
    * @ORM\Column(type="string")
@@ -55,11 +56,11 @@ class StatisticsUnsubscribeEntity {
   public function __construct(
     NewsletterEntity $newsletter = null,
     SendingQueueEntity $queue = null,
-    int $subscriberId
+    SubscriberEntity $subscriber
   ) {
     $this->newsletter = $newsletter;
     $this->queue = $queue;
-    $this->subscriberId = $subscriberId;
+    $this->subscriber = $subscriber;
   }
 
   /**
diff --git a/lib/Newsletter/Statistics/NewsletterStatisticsRepository.php b/lib/Newsletter/Statistics/NewsletterStatisticsRepository.php
index 42dca0ad0b..26157503ba 100644
--- a/lib/Newsletter/Statistics/NewsletterStatisticsRepository.php
+++ b/lib/Newsletter/Statistics/NewsletterStatisticsRepository.php
@@ -132,7 +132,7 @@ class NewsletterStatisticsRepository extends Repository {
 
   private function getStatisticCounts(string $statisticsEntityName, array $newsletters): array {
     $results = $this->entityManager->createQueryBuilder()
-      ->select('IDENTITY(stats.newsletter) AS id, COUNT(DISTINCT stats.subscriberId) as cnt')
+      ->select('IDENTITY(stats.newsletter) AS id, COUNT(DISTINCT stats.subscriber) as cnt')
       ->from($statisticsEntityName, 'stats')
       ->where('stats.newsletter IN (:newsletters)')
       ->groupBy('stats.newsletter')
diff --git a/lib/Statistics/Track/Unsubscribes.php b/lib/Statistics/Track/Unsubscribes.php
index f8e0062840..9c03ccf297 100644
--- a/lib/Statistics/Track/Unsubscribes.php
+++ b/lib/Statistics/Track/Unsubscribes.php
@@ -5,8 +5,10 @@ namespace MailPoet\Statistics\Track;
 use MailPoet\Entities\NewsletterEntity;
 use MailPoet\Entities\SendingQueueEntity;
 use MailPoet\Entities\StatisticsUnsubscribeEntity;
+use MailPoet\Entities\SubscriberEntity;
 use MailPoet\Newsletter\Sending\SendingQueuesRepository;
 use MailPoet\Statistics\StatisticsUnsubscribesRepository;
+use MailPoet\Subscribers\SubscribersRepository;
 
 class Unsubscribes {
   /** @var SendingQueuesRepository */
@@ -15,12 +17,19 @@ class Unsubscribes {
   /** @var StatisticsUnsubscribesRepository */
   private $statisticsUnsubscribesRepository;
 
+  /**
+   * @var SubscribersRepository
+   */
+  private $subscribersRepository;
+
   public function __construct(
     SendingQueuesRepository $sendingQueuesRepository,
-    StatisticsUnsubscribesRepository $statisticsUnsubscribesRepository
+    StatisticsUnsubscribesRepository $statisticsUnsubscribesRepository,
+    SubscribersRepository $subscribersRepository
   ) {
     $this->sendingQueuesRepository = $sendingQueuesRepository;
     $this->statisticsUnsubscribesRepository = $statisticsUnsubscribesRepository;
+    $this->subscribersRepository = $subscribersRepository;
   }
 
   public function track(int $subscriberId, string $source, int $queueId = null, string $meta = null) {
@@ -29,24 +38,28 @@ class Unsubscribes {
     if ($queueId) {
       $queue = $this->sendingQueuesRepository->findOneById($queueId);
     }
-    if ($queue instanceof SendingQueueEntity) {
+    $subscriber = $this->subscribersRepository->findOneById($subscriberId);
+    if (!$subscriber instanceof SubscriberEntity) {
+      return;
+    }
+    if (($queue instanceof SendingQueueEntity)) {
       $newsletter = $queue->getNewsletter();
       if ($newsletter instanceof NewsletterEntity) {
         $statistics = $this->statisticsUnsubscribesRepository->findOneBy(
           [
             'queue' => $queue,
             'newsletter' => $newsletter,
-            'subscriberId' => $subscriberId,
+            'subscriber' => $subscriber,
           ]
         );
         if (!$statistics) {
-          $statistics = new StatisticsUnsubscribeEntity($newsletter, $queue, $subscriberId);
+          $statistics = new StatisticsUnsubscribeEntity($newsletter, $queue, $subscriber);
         }
       }
     }
 
     if ($statistics === null) {
-      $statistics = new StatisticsUnsubscribeEntity(null, null, $subscriberId);
+      $statistics = new StatisticsUnsubscribeEntity(null, null, $subscriber);
     }
     if ($meta !== null) {
       $statistics->setMeta($meta);
diff --git a/tests/integration/Cron/Workers/StatsNotifications/NewsletterLinkRepositoryTest.php b/tests/integration/Cron/Workers/StatsNotifications/NewsletterLinkRepositoryTest.php
index 84986b2282..90cae4185a 100644
--- a/tests/integration/Cron/Workers/StatsNotifications/NewsletterLinkRepositoryTest.php
+++ b/tests/integration/Cron/Workers/StatsNotifications/NewsletterLinkRepositoryTest.php
@@ -7,6 +7,7 @@ use MailPoet\Entities\NewsletterLinkEntity;
 use MailPoet\Entities\ScheduledTaskEntity;
 use MailPoet\Entities\SendingQueueEntity;
 use MailPoet\Entities\StatisticsClickEntity;
+use MailPoet\Entities\SubscriberEntity;
 use MailPoet\Tasks\Sending as SendingTask;
 
 class NewsletterLinkRepositoryTest extends \MailPoetTest {
@@ -33,10 +34,14 @@ class NewsletterLinkRepositoryTest extends \MailPoetTest {
     $this->entityManager->persist($link1);
     $this->entityManager->persist($link2);
 
+    $subscriber = new SubscriberEntity();
+    $subscriber->setEmail("sub{$newsletter->getId()}@mailpoet.com");
+    $subscriber->setStatus(SubscriberEntity::STATUS_SUBSCRIBED);
+    $this->entityManager->persist($subscriber);
 
-    $click1 = new StatisticsClickEntity($newsletter, $queue, (int)1, $link1, 1);
-    $click2 = new StatisticsClickEntity($newsletter, $queue, (int)1, $link1, 1);
-    $click3 = new StatisticsClickEntity($newsletter, $queue, (int)1, $link2, 1);
+    $click1 = new StatisticsClickEntity($newsletter, $queue, $subscriber, $link1, 1);
+    $click2 = new StatisticsClickEntity($newsletter, $queue, $subscriber, $link1, 1);
+    $click3 = new StatisticsClickEntity($newsletter, $queue, $subscriber, $link2, 1);
 
     $this->entityManager->persist($click1);
     $this->entityManager->persist($click2);
diff --git a/tests/integration/Newsletter/NewsletterRepositoryTest.php b/tests/integration/Newsletter/NewsletterRepositoryTest.php
index 6e3c1d2a6a..d0ae1fd912 100644
--- a/tests/integration/Newsletter/NewsletterRepositoryTest.php
+++ b/tests/integration/Newsletter/NewsletterRepositoryTest.php
@@ -330,7 +330,7 @@ class NewsletterRepositoryTest extends \MailPoetTest {
   }
 
   private function createOpenStatistics(NewsletterEntity $newsletter, SendingQueueEntity $queue, SubscriberEntity $subscriber): StatisticsOpenEntity {
-    $statistics = new StatisticsOpenEntity($newsletter, $queue, (int)$subscriber->getId());
+    $statistics = new StatisticsOpenEntity($newsletter, $queue, $subscriber);
     $this->entityManager->persist($statistics);
     $this->entityManager->flush();
     return $statistics;
@@ -342,7 +342,7 @@ class NewsletterRepositoryTest extends \MailPoetTest {
     SubscriberEntity $subscriber,
     NewsletterLinkEntity $link
   ): StatisticsClickEntity {
-    $statistics = new StatisticsClickEntity($newsletter, $queue, (int)$subscriber->getId(), $link, 1);
+    $statistics = new StatisticsClickEntity($newsletter, $queue, $subscriber, $link, 1);
     $this->entityManager->persist($statistics);
     $this->entityManager->flush();
     return $statistics;