diff --git a/mailpoet/lib/Automation/Engine/Builder/UpdateWorkflowController.php b/mailpoet/lib/Automation/Engine/Builder/UpdateWorkflowController.php
index e92d161c40..3a9d6d16fa 100644
--- a/mailpoet/lib/Automation/Engine/Builder/UpdateWorkflowController.php
+++ b/mailpoet/lib/Automation/Engine/Builder/UpdateWorkflowController.php
@@ -67,7 +67,7 @@ class UpdateWorkflowController {
   }
 
   private function checkWorkflowStatus(string $status): void {
-    if (!in_array($status, [Workflow::STATUS_ACTIVE, Workflow::STATUS_INACTIVE, Workflow::STATUS_DRAFT], true)) {
+    if (!in_array($status, Workflow::STATUS_ALL, true)) {
       // translators: %s is the status.
       throw UnexpectedValueException::create()->withMessage(sprintf(__('Invalid status: %s', 'mailpoet'), $status));
     }
diff --git a/mailpoet/lib/Automation/Engine/Data/Workflow.php b/mailpoet/lib/Automation/Engine/Data/Workflow.php
index baa416d149..30cfe1ff7c 100644
--- a/mailpoet/lib/Automation/Engine/Data/Workflow.php
+++ b/mailpoet/lib/Automation/Engine/Data/Workflow.php
@@ -9,6 +9,13 @@ class Workflow {
   public const STATUS_ACTIVE = 'active';
   public const STATUS_INACTIVE = 'inactive';
   public const STATUS_DRAFT = 'draft';
+  public const STATUS_TRASH = 'trash';
+  public const STATUS_ALL = [
+    self::STATUS_ACTIVE,
+    self::STATUS_INACTIVE,
+    self::STATUS_DRAFT,
+    self::STATUS_TRASH,
+  ];
 
   /** @var int */
   private $id;