diff --git a/lib/Cron/Workers/SendingQueue/SendingQueue.php b/lib/Cron/Workers/SendingQueue/SendingQueue.php
index f75fa2fab4..d0719fd5b7 100644
--- a/lib/Cron/Workers/SendingQueue/SendingQueue.php
+++ b/lib/Cron/Workers/SendingQueue/SendingQueue.php
@@ -24,7 +24,7 @@ class SendingQueue {
     $this->mailer_task = ($mailer_task) ? $mailer_task : new MailerTask();
     $this->newsletter_task = ($newsletter_task) ? $newsletter_task : new NewsletterTask();
     $this->timer = ($timer) ? $timer : microtime(true);
-    $this->batch_size = WPHooks::applyFilters('mailpoet_cron_worker_sending_queue_bach_size', self::BATCH_SIZE);
+    $this->batch_size = WPHooks::applyFilters('mailpoet_cron_worker_sending_queue_batch_size', self::BATCH_SIZE);
   }
 
   function process() {
diff --git a/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php b/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
index de69389ae8..3d4d5f43af 100644
--- a/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
+++ b/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
@@ -623,10 +623,10 @@ class SendingQueueTest extends \MailPoetTest {
     $filter = function() use ($custom_batch_size_value) {
       return $custom_batch_size_value;
     };
-    Hooks::addFilter('mailpoet_cron_worker_sending_queue_bach_size', $filter);
+    Hooks::addFilter('mailpoet_cron_worker_sending_queue_batch_size', $filter);
     $sending_queue_worker = new SendingQueueWorker();
     expect($sending_queue_worker->batch_size)->equals($custom_batch_size_value);
-    Hooks::addFilter('mailpoet_cron_worker_sending_queue_bach_size', $filter);
+    Hooks::addFilter('mailpoet_cron_worker_sending_queue_batch_size', $filter);
   }
 
   function _after() {