diff --git a/lib/Entities/NewsletterEntity.php b/lib/Entities/NewsletterEntity.php
index 9c5fc1c487..f1755ddf59 100644
--- a/lib/Entities/NewsletterEntity.php
+++ b/lib/Entities/NewsletterEntity.php
@@ -6,10 +6,10 @@ use DateTimeInterface;
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
 use MailPoet\Doctrine\EntityTraits\DeletedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\Common\Collections\ArrayCollection;
 use MailPoetVendor\Doctrine\Common\Collections\Criteria;
-use MailPoetVendor\Doctrine\ORM\EntityNotFoundException;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 use MailPoetVendor\Symfony\Component\Validator\Constraints as Assert;
 
@@ -39,6 +39,7 @@ class NewsletterEntity {
   use CreatedAtTrait;
   use UpdatedAtTrait;
   use DeletedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\Column(type="string")
@@ -342,14 +343,8 @@ class NewsletterEntity {
    * @return NewsletterEntity|null
    */
   public function getParent() {
-    try {
-      if ($this->parent && $this->parent->getId()) {
-        return $this->parent;
-      }
-    } catch (EntityNotFoundException $enf) {
-      $this->setParent(null);
-    }
-    return null;
+    $this->safelyLoadToOneAssociation('parent');
+    return $this->parent;
   }
 
   /**
diff --git a/lib/Entities/NewsletterLinkEntity.php b/lib/Entities/NewsletterLinkEntity.php
index ae91d8417d..f90dd24788 100644
--- a/lib/Entities/NewsletterLinkEntity.php
+++ b/lib/Entities/NewsletterLinkEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\Common\Collections\ArrayCollection;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
@@ -16,6 +17,7 @@ class NewsletterLinkEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
   use UpdatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -56,6 +58,7 @@ class NewsletterLinkEntity {
    * @return NewsletterEntity|null
    */
   public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
     return $this->newsletter;
   }
 
@@ -63,6 +66,7 @@ class NewsletterLinkEntity {
    * @return SendingQueueEntity|null
    */
   public function getQueue() {
+    $this->safelyLoadToOneAssociation('queue');
     return $this->queue;
   }
 
diff --git a/lib/Entities/NewsletterOptionEntity.php b/lib/Entities/NewsletterOptionEntity.php
index a5d024c78e..245157f24e 100644
--- a/lib/Entities/NewsletterOptionEntity.php
+++ b/lib/Entities/NewsletterOptionEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
@@ -15,6 +16,8 @@ class NewsletterOptionEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
   use UpdatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
+
 
   /**
    * @ORM\Column(type="text")
@@ -52,6 +55,7 @@ class NewsletterOptionEntity {
    * @return NewsletterEntity
    */
   public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
     return $this->newsletter;
   }
 
@@ -66,6 +70,7 @@ class NewsletterOptionEntity {
    * @return NewsletterOptionFieldEntity
    */
   public function getOptionField() {
+    $this->safelyLoadToOneAssociation('optionField');
     return $this->optionField;
   }
 
diff --git a/lib/Entities/SendingQueueEntity.php b/lib/Entities/SendingQueueEntity.php
index 98ba09aa0b..77594a8c2e 100644
--- a/lib/Entities/SendingQueueEntity.php
+++ b/lib/Entities/SendingQueueEntity.php
@@ -5,6 +5,7 @@ namespace MailPoet\Entities;
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
 use MailPoet\Doctrine\EntityTraits\DeletedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 use MailPoetVendor\Symfony\Component\Validator\Constraints as Assert;
@@ -25,6 +26,7 @@ class SendingQueueEntity {
   use CreatedAtTrait;
   use UpdatedAtTrait;
   use DeletedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\Column(type="json_or_serialized")
@@ -183,6 +185,7 @@ class SendingQueueEntity {
    * @return ScheduledTaskEntity
    */
   public function getTask() {
+    $this->safelyLoadToOneAssociation('task');
     return $this->task;
   }
 
@@ -194,6 +197,7 @@ class SendingQueueEntity {
    * @return NewsletterEntity
    */
   public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
     return $this->newsletter;
   }
 
diff --git a/lib/Entities/StatisticsClickEntity.php b/lib/Entities/StatisticsClickEntity.php
index eb0ad0a1d3..5f955a0562 100644
--- a/lib/Entities/StatisticsClickEntity.php
+++ b/lib/Entities/StatisticsClickEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
@@ -15,6 +16,7 @@ class StatisticsClickEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
   use UpdatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -48,4 +50,27 @@ class StatisticsClickEntity {
    */
   private $count;
 
+  /**
+   * @return NewsletterEntity|null
+   */
+  public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
+    return $this->newsletter;
+  }
+
+  /**
+   * @return SendingQueueEntity|null
+   */
+  public function getQueue() {
+    $this->safelyLoadToOneAssociation('queue');
+    return $this->queue;
+  }
+
+  /**
+   * @return NewsletterLinkEntity
+   */
+  public function getLink() {
+    $this->safelyLoadToOneAssociation('link');
+    return $this->link;
+  }
 }
diff --git a/lib/Entities/StatisticsOpenEntity.php b/lib/Entities/StatisticsOpenEntity.php
index f10c140a88..4e53c456fe 100644
--- a/lib/Entities/StatisticsOpenEntity.php
+++ b/lib/Entities/StatisticsOpenEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
 /**
@@ -13,6 +14,7 @@ use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 class StatisticsOpenEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -34,4 +36,19 @@ class StatisticsOpenEntity {
    */
   private $subscriberId;
 
+  /**
+  * @return NewsletterEntity|null
+  */
+  public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
+    return $this->newsletter;
+  }
+
+  /**
+   * @return SendingQueueEntity|null
+   */
+  public function getQueue() {
+    $this->safelyLoadToOneAssociation('queue');
+    return $this->queue;
+  }
 }
diff --git a/lib/Entities/StatisticsUnsubscribeEntity.php b/lib/Entities/StatisticsUnsubscribeEntity.php
index 6d2fdf4b3b..8b7e7b963e 100644
--- a/lib/Entities/StatisticsUnsubscribeEntity.php
+++ b/lib/Entities/StatisticsUnsubscribeEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
 /**
@@ -13,6 +14,7 @@ use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 class StatisticsUnsubscribeEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -34,4 +36,19 @@ class StatisticsUnsubscribeEntity {
    */
   private $subscriberId;
 
+  /**
+   * @return NewsletterEntity|null
+   */
+  public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
+    return $this->newsletter;
+  }
+
+  /**
+   * @return SendingQueueEntity|null
+   */
+  public function getQueue() {
+    $this->safelyLoadToOneAssociation('queue');
+    return $this->queue;
+  }
 }
diff --git a/lib/Entities/StatisticsWooCommercePurchaseEntity.php b/lib/Entities/StatisticsWooCommercePurchaseEntity.php
index c37a41dec0..f0d1d3155a 100644
--- a/lib/Entities/StatisticsWooCommercePurchaseEntity.php
+++ b/lib/Entities/StatisticsWooCommercePurchaseEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
@@ -15,6 +16,7 @@ class StatisticsWooCommercePurchaseEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
   use UpdatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\ManyToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -70,4 +72,36 @@ class StatisticsWooCommercePurchaseEntity {
     $this->orderCurrency = $orderCurrency;
     $this->orderPriceTotal = $orderPriceTotal;
   }
+
+  /**
+   * @return NewsletterEntity
+   */
+  public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
+    return $this->newsletter;
+  }
+
+  /**
+   * @return SendingQueueEntity
+   */
+  public function getQueue() {
+    $this->safelyLoadToOneAssociation('queue');
+    return $this->queue;
+  }
+
+  /**
+   * @return SubscriberEntity|null
+   */
+  public function getSubscriber() {
+    $this->safelyLoadToOneAssociation('subscriber');
+    return $this->subscriber;
+  }
+
+  /**
+   * @return StatisticsClickEntity
+   */
+  public function getClick() {
+    $this->safelyLoadToOneAssociation('click');
+    return $this->click;
+  }
 }
diff --git a/lib/Entities/StatsNotificationEntity.php b/lib/Entities/StatsNotificationEntity.php
index 3d35f98dc5..673ed9a4f6 100644
--- a/lib/Entities/StatsNotificationEntity.php
+++ b/lib/Entities/StatsNotificationEntity.php
@@ -4,6 +4,7 @@ namespace MailPoet\Entities;
 
 use MailPoet\Doctrine\EntityTraits\AutoincrementedIdTrait;
 use MailPoet\Doctrine\EntityTraits\CreatedAtTrait;
+use MailPoet\Doctrine\EntityTraits\SafeToOneAssociationLoadTrait;
 use MailPoet\Doctrine\EntityTraits\UpdatedAtTrait;
 use MailPoetVendor\Doctrine\ORM\Mapping as ORM;
 
@@ -15,6 +16,7 @@ class StatsNotificationEntity {
   use AutoincrementedIdTrait;
   use CreatedAtTrait;
   use UpdatedAtTrait;
+  use SafeToOneAssociationLoadTrait;
 
   /**
    * @ORM\OneToOne(targetEntity="MailPoet\Entities\NewsletterEntity")
@@ -37,6 +39,7 @@ class StatsNotificationEntity {
    * @return NewsletterEntity
    */
   public function getNewsletter() {
+    $this->safelyLoadToOneAssociation('newsletter');
     return $this->newsletter;
   }
 
@@ -44,6 +47,7 @@ class StatsNotificationEntity {
    * @return ScheduledTaskEntity
    */
   public function getTask() {
+    $this->safelyLoadToOneAssociation('task');
     return $this->task;
   }
 }