diff --git a/lib/Cron/Workers/Bounce.php b/lib/Cron/Workers/Bounce.php
index fc8d8219d6..4c05660667 100644
--- a/lib/Cron/Workers/Bounce.php
+++ b/lib/Cron/Workers/Bounce.php
@@ -9,6 +9,7 @@ use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\Subscriber;
 use MailPoet\Services\Bridge;
 use MailPoet\Services\Bridge\API;
+use MailPoet\Settings\SettingsController;
 use MailPoet\Tasks\Bounce as BounceTask;
 use MailPoet\Tasks\Subscribers as TaskSubscribers;
 use MailPoet\Tasks\Subscribers\BatchIterator;
@@ -25,10 +26,17 @@ class Bounce extends SimpleWorker {
 
   public $api;
 
+  /** @var SettingsController */
+  private $settings;
+
+  function __construct(SettingsController $settings, $timer = false) {
+    $this->settings = $settings;
+    parent::__construct($timer);
+  }
+
   function init() {
     if (!$this->api) {
-      $mailer_config = Mailer::getMailerConfig();
-      $this->api = new API($mailer_config['mailpoet_api_key']);
+      $this->api = new API($this->settings->get(Mailer::MAILER_CONFIG_SETTING_NAME)['mailpoet_api_key']);
     }
   }
 
diff --git a/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php b/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
index b790619e3f..f3c8448195 100644
--- a/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
+++ b/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
@@ -4,17 +4,25 @@ namespace MailPoet\Cron\Workers\KeyCheck;
 
 use MailPoet\Mailer\Mailer;
 use MailPoet\Services\Bridge;
+use MailPoet\Settings\SettingsController;
 
 class SendingServiceKeyCheck extends KeyCheckWorker {
   const TASK_TYPE = 'sending_service_key_check';
 
+  /** @var SettingsController */
+  private $settings;
+
+  function __construct(SettingsController $settings, $timer = false) {
+    $this->settings = $settings;
+    parent::__construct($timer);
+  }
+
   function checkProcessingRequirements() {
     return Bridge::isMPSendingServiceEnabled();
   }
 
   function checkKey() {
-    $mailer_config = Mailer::getMailerConfig();
-    $mss_key = $mailer_config['mailpoet_api_key'];
+    $mss_key = $this->settings->get(Mailer::MAILER_CONFIG_SETTING_NAME)['mailpoet_api_key'];
     $result = $this->bridge->checkMSSKey($mss_key);
     $this->bridge->storeMSSKeyAndState($mss_key, $result);
     $this->bridge->updateSubscriberCount($result);
diff --git a/lib/Cron/Workers/WorkersFactory.php b/lib/Cron/Workers/WorkersFactory.php
index fff76fc479..c03068ccaf 100644
--- a/lib/Cron/Workers/WorkersFactory.php
+++ b/lib/Cron/Workers/WorkersFactory.php
@@ -183,7 +183,7 @@ class WorkersFactory {
 
   /** @return SendingServiceKeyCheckWorker */
   function createSendingServiceKeyCheckWorker($timer) {
-    return new SendingServiceKeyCheckWorker($timer);
+    return new SendingServiceKeyCheckWorker($this->settings, $timer);
   }
 
   /** @return PremiumKeyCheckWorker */
@@ -193,7 +193,7 @@ class WorkersFactory {
 
   /** @return BounceWorker */
   function createBounceWorker($timer) {
-    return new BounceWorker($timer);
+    return new BounceWorker($this->settings, $timer);
   }
 
   /** @return MigrationWorker */
diff --git a/lib/Services/Bridge.php b/lib/Services/Bridge.php
index db9fea3118..ba5550f1ac 100644
--- a/lib/Services/Bridge.php
+++ b/lib/Services/Bridge.php
@@ -45,7 +45,7 @@ class Bridge {
 
   static function isMPSendingServiceEnabled() {
     try {
-      $mailer_config = Mailer::getMailerConfig();
+      $mailer_config = SettingsController::getInstance()->get(Mailer::MAILER_CONFIG_SETTING_NAME);
       return !empty($mailer_config['method'])
         && $mailer_config['method'] === Mailer::METHOD_MAILPOET;
     } catch (\Exception $e) {
diff --git a/tests/integration/Cron/Workers/BounceTest.php b/tests/integration/Cron/Workers/BounceTest.php
index 692c2893a1..791e41d2a2 100644
--- a/tests/integration/Cron/Workers/BounceTest.php
+++ b/tests/integration/Cron/Workers/BounceTest.php
@@ -31,7 +31,7 @@ class BounceTest extends \MailPoetTest {
         ]);
     }
 
-    $this->worker = new Bounce(microtime(true));
+    $this->worker = new Bounce($this->di_container->get(SettingsController::class), microtime(true));
 
     $this->worker->api = new MockAPI('key');
   }
@@ -42,7 +42,7 @@ class BounceTest extends \MailPoetTest {
 
   function testItCanInitializeBridgeAPI() {
     $this->setMailPoetSendingMethod();
-    $worker = new Bounce(microtime(true));
+    $worker = new Bounce($this->di_container->get(SettingsController::class), microtime(true));
     $worker->init();
     expect($worker->api instanceof API)->true();
   }
diff --git a/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php b/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
index 8561452fe1..208ac48f7a 100644
--- a/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
+++ b/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
@@ -14,7 +14,7 @@ class SendingServiceKeyCheckTest extends \MailPoetTest {
   function _before() {
     parent::_before();
     $this->mss_key = 'some_key';
-    $this->worker = new SendingServiceKeyCheck(microtime(true));
+    $this->worker = new SendingServiceKeyCheck($this->di_container->get(SettingsController::class), microtime(true));
   }
 
   function testItRequiresMailPoetMethodToBeSetUp() {