diff --git a/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
index 6117347..becd941 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -818,6 +818,7 @@ protected function initializeTranslation($langcode) {
     $translation->translatableEntityKeys = &$this->translatableEntityKeys;
     $translation->translationInitialize = FALSE;
     $translation->typedData = NULL;
+    $translation->originalRevisionId = &$this->originalRevisionId;
 
     return $translation;
   }
@@ -1066,7 +1067,10 @@ public function __clone() {
       $enforce_is_new = $this->enforceIsNew;
       $this->enforceIsNew = &$enforce_is_new;
 
-      $this->originalRevisionId = NULL;
+      // Ensure the originalRevisionId property is actually cloned by
+      // overwriting the original reference with one pointing to a copy of it.
+      $original_revision_id = $this->getOriginalRevisionId();
+      $this->originalRevisionId = &$original_revision_id;
     }
   }
 
diff --git a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
index 13356b8..ea4437e 100644
--- a/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Entity/EntityOriginalRevisionTest.php
@@ -87,14 +87,14 @@ public function testOriginalRevisionId() {
     $this->assertEquals($loaded->getRevisionId(), $originalRevisionId2);
     $this->assertEquals($loaded->getRevisionId(), $loaded->getOriginalRevisionId());
 
+    // Creating a clone should keep the original revision ID.
+    $clone = clone $loaded;
+    $this->assertSame($loaded->getOriginalRevisionId(), $clone->getOriginalRevisionId());
+
     // Creating a duplicate should set a NULL original revision ID.
     $duplicate = $loaded->createDuplicate();
     $this->assertSame(NULL, $duplicate->getOriginalRevisionId());
 
-    // Creating a clone should set a NULL original revision ID.
-    $clone = clone $loaded;
-    $this->assertSame(NULL, $clone->getOriginalRevisionId());
-
     // Check it all works with translations.
     $french = $loaded->addTranslation('fr');
     // Adding a revision should return the same for each language.