diff --git a/tests/Foundation/Entries/Fields/CreatedAtFieldTest.php b/tests/Foundation/Entries/Fields/CreatedAtFieldTest.php
index 48af23ae..0719b65d 100644
--- a/tests/Foundation/Entries/Fields/CreatedAtFieldTest.php
+++ b/tests/Foundation/Entries/Fields/CreatedAtFieldTest.php
@@ -11,10 +11,22 @@ afterEach(function (): void {
 });
 
 test('test CreatedAtField', function () {
+    // 1
     flextype('entries')->create('foo', []);
-
     $created_at = flextype('entries')->fetch('foo')['created_at'];
-
     $this->assertTrue(strlen($created_at) > 0);
     $this->assertTrue((ctype_digit($created_at) && strtotime(date('Y-m-d H:i:s', $created_at)) === (int)$created_at));
+
+    // 2
+    flextype('entries')->create('tmp', []);
+    $_created_at = flextype('entries')->fetch('tmp');
+    $_created_at['created_at'] = null;
+
+    filesystem()->file(PATH['project'] . '/entries/bar/entry.md')
+                ->put(flextype('frontmatter')
+                        ->encode($_created_at));
+
+    $created_at = flextype('entries')->fetch('bar')['created_at'];
+
+    $this->assertTrue($created_at === null);
 });