diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
index c8b9eda..fdc7ce5 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
@@ -60,6 +60,8 @@ public function getOriginalID() {
    */
   public function setOriginalID($id) {
     $this->originalID = $id;
+
+    return $this;
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityInterface.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityInterface.php
index 0d9bd71..7866273 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityInterface.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityInterface.php
@@ -28,7 +28,7 @@ public function getOriginalID();
    * @param string $id
    *   The new ID to set as original ID.
    *
-   * @return void
+   * @return \Drupal\Core\Config\Entity\ConfigEntityInterface
    */
   public function setOriginalID($id);