diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index 49d7df9..ad6bd80 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -1050,6 +1050,7 @@ public function createDuplicate() {
     // Check whether the entity type supports revisions and initialize it if so.
     if ($entity_type->isRevisionable()) {
       $duplicate->{$entity_type->getKey('revision')}->value = NULL;
+      $duplicate->originalRevisionId = NULL;
     }
 
     return $duplicate;
diff --git a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
index 6ecda26..33fc951 100644
--- a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
@@ -78,5 +78,8 @@ public function testOriginalRevisionId() {
     $originalRevisionId2 = \Drupal::state()->get('entity_test.originalRevisionId');
     $this->assertEquals($loaded->getRevisionId(), $originalRevisionId2);
     $this->assertEquals($loaded->getRevisionId(), $loaded->getOriginalRevisionId());
+
+    $duplicate = $loaded->createDuplicate();
+    $this->assertSame(NULL, $duplicate->getOriginalRevisionId());
   }
 }