diff --git a/src/flextype/Foundation/Entries/Fields/CreatedAtField.php b/src/flextype/Foundation/Entries/Fields/CreatedAtField.php
index 6fcadc04..92ea606c 100644
--- a/src/flextype/Foundation/Entries/Fields/CreatedAtField.php
+++ b/src/flextype/Foundation/Entries/Fields/CreatedAtField.php
@@ -7,13 +7,12 @@ declare(strict_types=1);
  * Founded by Sergey Romanenko and maintained by Flextype Community.
  */
 
-use Flextype\Component\Filesystem\Filesystem;
 use Atomastic\Strings\Strings;
 
 if (flextype('registry')->get('flextype.settings.entries.fields.created_at.enabled')) {
     flextype('emitter')->addListener('onEntryAfterInitialized', static function (): void {
         if (flextype('entries')->getStorage('fetch_single.data.created_at') == null) {
-            flextype('entries')->setStorage('fetch_single.data.created_at', (int) Filesystem::getTimestamp(flextype('entries')->getFileLocation(flextype('entries')->getStorage('fetch_single.id'))));
+            flextype('entries')->setStorage('fetch_single.data.created_at', (int) flextype('filesystem')->file(flextype('entries')->getFileLocation(flextype('entries')->getStorage('fetch_single.id')))->lastModified());
         } else {
             flextype('entries')->setStorage('fetch_single.data.created_at', (int) strtotime(flextype('entries')->getStorage('fetch_single.data.created_at')));
         }