diff --git a/lib/Tasks/Sending.php b/lib/Tasks/Sending.php
index fe081fb5b9..344e8efb31 100644
--- a/lib/Tasks/Sending.php
+++ b/lib/Tasks/Sending.php
@@ -2,6 +2,7 @@
 
 namespace MailPoet\Tasks;
 
+use MailPoet\Logging\LoggerFactory;
 use MailPoet\Models\ScheduledTask;
 use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\SendingQueue;
@@ -97,11 +98,22 @@ class Sending {
     foreach ($tasks as $task) {
       if (!empty($queuesIndex[$task->id])) {
         $result[] = self::create($task, $queuesIndex[$task->id]);
+      } else {
+        static::handleInvalidTask($task);
       }
     }
     return $result;
   }
 
+  public static function handleInvalidTask(ScheduledTask $task) {
+    $loggerFactory = LoggerFactory::getInstance();
+    $loggerFactory->getLogger(LoggerFactory::TOPIC_NEWSLETTERS)->addError(
+      'invalid sending task found, deleting',
+      ['task_id' => $task->id]
+    );
+    $task->delete();
+  }
+
   public static function createFromScheduledTask(ScheduledTask $task) {
     $queue = SendingQueue::where('task_id', $task->id)->findOne();
     if (!$queue) {
diff --git a/tests/integration/Tasks/SendingTest.php b/tests/integration/Tasks/SendingTest.php
index 6997e306ca..d614f04111 100644
--- a/tests/integration/Tasks/SendingTest.php
+++ b/tests/integration/Tasks/SendingTest.php
@@ -58,6 +58,13 @@ class SendingTest extends \MailPoetTest {
     expect($queue->taskId)->equals($this->task->id);
   }
 
+  public function testItDeletesInvalidTasksWhenCreatingManyFromTasks() {
+    $this->queue->delete();
+    $sendings = SendingTask::createManyFromTasks([$this->task]);
+    expect($sendings)->isEmpty();
+    expect(ScheduledTask::findOne($this->task->id))->equals(false);
+  }
+
   public function testItCanBeCreatedFromScheduledTask() {
     $sending = SendingTask::createFromScheduledTask($this->task);
     $queue = $sending->queue();