diff --git a/mailpoet/tests/integration/API/JSON/v1/SettingsTest.php b/mailpoet/tests/integration/API/JSON/v1/SettingsTest.php
index 483ecad2e9..b8115348f3 100644
--- a/mailpoet/tests/integration/API/JSON/v1/SettingsTest.php
+++ b/mailpoet/tests/integration/API/JSON/v1/SettingsTest.php
@@ -25,6 +25,7 @@ use MailPoet\Settings\SettingsController;
 use MailPoet\Settings\SettingsRepository;
 use MailPoet\Settings\TrackingConfig;
 use MailPoet\Statistics\StatisticsOpensRepository;
+use MailPoet\Subscribers\ConfirmationEmailCustomizer;
 use MailPoet\Subscribers\SubscribersCountsController;
 use MailPoet\WooCommerce\TransactionalEmails;
 use MailPoet\WP\Functions as WPFunctions;
@@ -67,7 +68,8 @@ class SettingsTest extends \MailPoetTest {
       $this->diContainer->get(SegmentsRepository::class),
       $this->diContainer->get(SettingsChangeHandler::class),
       $this->diContainer->get(SubscribersCountsController::class),
-      $this->diContainer->get(TrackingConfig::class)
+      $this->diContainer->get(TrackingConfig::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
   }
 
@@ -111,7 +113,8 @@ class SettingsTest extends \MailPoetTest {
       $this->diContainer->get(SegmentsRepository::class),
       $this->diContainer->get(SettingsChangeHandler::class),
       $this->diContainer->get(SubscribersCountsController::class),
-      $this->diContainer->get(TrackingConfig::class)
+      $this->diContainer->get(TrackingConfig::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $response = $this->endpoint->set(/* missing data */);
@@ -147,7 +150,8 @@ class SettingsTest extends \MailPoetTest {
       $this->diContainer->get(SegmentsRepository::class),
       $this->diContainer->get(SettingsChangeHandler::class),
       $this->diContainer->get(SubscribersCountsController::class),
-      $this->diContainer->get(TrackingConfig::class)
+      $this->diContainer->get(TrackingConfig::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     MailerLog::pauseSending(MailerLog::getMailerLog());
@@ -178,7 +182,8 @@ class SettingsTest extends \MailPoetTest {
       $this->diContainer->get(SegmentsRepository::class),
       $this->diContainer->get(SettingsChangeHandler::class),
       $this->diContainer->get(SubscribersCountsController::class),
-      $this->diContainer->get(TrackingConfig::class)
+      $this->diContainer->get(TrackingConfig::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $response = $this->endpoint->set([
@@ -211,7 +216,8 @@ class SettingsTest extends \MailPoetTest {
       $this->diContainer->get(SegmentsRepository::class),
       $this->diContainer->get(SettingsChangeHandler::class),
       $this->diContainer->get(SubscribersCountsController::class),
-      $this->diContainer->get(TrackingConfig::class)
+      $this->diContainer->get(TrackingConfig::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $this->settings->set('sender.address', '');
diff --git a/mailpoet/tests/integration/Subscribers/ConfirmationEmailMailerTest.php b/mailpoet/tests/integration/Subscribers/ConfirmationEmailMailerTest.php
index 8dd992cbb2..a8a212dfa0 100644
--- a/mailpoet/tests/integration/Subscribers/ConfirmationEmailMailerTest.php
+++ b/mailpoet/tests/integration/Subscribers/ConfirmationEmailMailerTest.php
@@ -83,7 +83,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $subcriptionUrlFactoryMock
+      $subcriptionUrlFactoryMock,
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $segment = $this->segmentFactory->withName('Test segment')->create();
@@ -113,7 +114,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $this->diContainer->get(SubscriptionUrlFactory::class)
+      $this->diContainer->get(SubscriptionUrlFactory::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $this->expectException(\Exception::class);
@@ -133,7 +135,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $this->diContainer->get(SubscriptionUrlFactory::class)
+      $this->diContainer->get(SubscriptionUrlFactory::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $this->expectException(\Exception::class);
@@ -156,7 +159,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $this->diContainer->get(SubscriptionUrlFactory::class)
+      $this->diContainer->get(SubscriptionUrlFactory::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     $result = $sender->sendConfirmationEmail($this->subscriber);
@@ -180,7 +184,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $this->diContainer->get(SubscriptionUrlFactory::class)
+      $this->diContainer->get(SubscriptionUrlFactory::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     for ($i = 0; $i < $sender::MAX_CONFIRMATION_EMAILS; $i++) {
@@ -205,7 +210,8 @@ class ConfirmationEmailMailerTest extends \MailPoetTest {
       $this->diContainer->get(WPFunctions::class),
       $this->diContainer->get(SettingsController::class),
       $this->diContainer->get(SubscribersRepository::class),
-      $this->diContainer->get(SubscriptionUrlFactory::class)
+      $this->diContainer->get(SubscriptionUrlFactory::class),
+      $this->diContainer->get(ConfirmationEmailCustomizer::class)
     );
 
     for ($i = 0; $i < $sender::MAX_CONFIRMATION_EMAILS; $i++) {