diff --git a/mailpoet/lib/Newsletter/NewsletterSaveController.php b/mailpoet/lib/Newsletter/NewsletterSaveController.php
index 4fc3b33ded..71a33179d0 100644
--- a/mailpoet/lib/Newsletter/NewsletterSaveController.php
+++ b/mailpoet/lib/Newsletter/NewsletterSaveController.php
@@ -3,6 +3,7 @@
 namespace MailPoet\Newsletter;
 
 use MailPoet\Cron\Workers\SendingQueue\Tasks\Newsletter as NewsletterQueueTask;
+use MailPoet\EmailEditor\Integrations\MailPoet\EmailEditor;
 use MailPoet\Entities\NewsletterEntity;
 use MailPoet\Entities\NewsletterOptionEntity;
 use MailPoet\Entities\NewsletterOptionFieldEntity;
@@ -151,6 +152,9 @@ class NewsletterSaveController {
     $this->rescheduleIfNeeded($newsletter);
     $this->updateQueue($newsletter, $data['options'] ?? []);
     $this->authorizedEmailsController->onNewsletterSenderAddressUpdate($newsletter, $oldSenderAddress);
+    if (isset($data['new_editor']) && $data['new_editor']) {
+      $this->ensureWpPost($newsletter);
+    }
     return $newsletter;
   }
 
@@ -433,4 +437,20 @@ class NewsletterSaveController {
     }
     $this->entityManager->flush();
   }
+
+  private function ensureWpPost(NewsletterEntity $newsletter): void {
+    if ($newsletter->getWpPostId()) {
+      return;
+    }
+
+    $newPostId = $this->wp->wpInsertPost([
+      'post_content' => '',
+      'post_type' => EmailEditor::MAILPOET_EMAIL_POST_TYPE,
+      'post_status' => 'draft',
+      'post_author' => $this->wp->getCurrentUserId(),
+      'post_title' => __('New Email', 'mailpoet'),
+    ]);
+    $newsletter->setWpPost($this->entityManager->getReference(WpPostEntity::class, $newPostId));
+    $this->entityManager->flush();
+  }
 }
diff --git a/mailpoet/tests/integration/Newsletter/NewsletterSaveControllerTest.php b/mailpoet/tests/integration/Newsletter/NewsletterSaveControllerTest.php
index be4b144f1e..17a6596133 100644
--- a/mailpoet/tests/integration/Newsletter/NewsletterSaveControllerTest.php
+++ b/mailpoet/tests/integration/Newsletter/NewsletterSaveControllerTest.php
@@ -360,6 +360,30 @@ class NewsletterSaveControllerTest extends \MailPoetTest {
     verify($newsletter->getId())->notNull();
   }
 
+  public function testItCreatesNewNewsletterForBlockEditor() {
+    $wp = $this->diContainer->get(WPFunctions::class);
+    $data = [
+      'subject' => 'My First Newsletter',
+      'type' => NewsletterEntity::TYPE_STANDARD,
+      'new_editor' => true,
+    ];
+
+    $newsletter = $this->saveController->save($data);
+    verify($newsletter->getSubject())->equals($data['subject']);
+    verify($newsletter->getType())->equals($data['type']);
+    verify($newsletter->getHash())->notNull();
+    verify($newsletter->getId())->notNull();
+    verify($newsletter->getWpPostId())->notNull();
+    $postEntity = $newsletter->getWpPost();
+    $this->assertInstanceOf(WpPostEntity::class, $postEntity);
+    verify($postEntity->getPostTitle())->equals('New Email');
+    $wpPost = $postEntity->getWpPostInstance();
+    $this->assertInstanceOf(\WP_Post::class, $wpPost);
+    verify($wpPost->post_content)->equals(''); // @phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
+    verify($wpPost->post_author)->equals($wp->getCurrentUserId()); // @phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
+    verify($wpPost->post_status)->equals('draft'); // @phpcs:ignore Squiz.NamingConventions.ValidVariableName.MemberNotCamelCaps
+  }
+
   public function testItCreatesNewsletterWithDefaultSender() {
     $settings = $this->diContainer->get(SettingsController::class);
     $settings->set('sender', [