diff --git a/src/actions/FileAction.php b/src/actions/FileAction.php
index 1b436ff..439dc0a 100644
--- a/src/actions/FileAction.php
+++ b/src/actions/FileAction.php
@@ -34,8 +34,6 @@
  */
 class FileAction extends Action
 {
-    const FILENAME_SEPARATOR = 'fname-';
-
     /**
      * @var string filesystem config component (fs)
      */
@@ -54,9 +52,7 @@ public function run($data = null)
         $filesystem = Yii::$app->get($this->component);
 
         try {
-            [$dataEncrypt, $filename] = explode(self::FILENAME_SEPARATOR, $data);
-
-            $params = Json::decode($filesystem->/** @scrutinizer ignore-call */decrypt($dataEncrypt));
+            $params = Json::decode($filesystem->/** @scrutinizer ignore-call */decrypt($data));
 
             $now = (int) (new DateTimeImmutable())->getTimestamp();
             $expires = (int) $params['expires'];
@@ -66,10 +62,6 @@ public function run($data = null)
             }
 
             $attachmentName = (string) pathinfo($params['path'], PATHINFO_BASENAME);
-            if ($filename !== $attachmentName) {
-                throw new NotFoundHttpException(Yii::t('yii', 'Page not found.'));
-            }
-
             $content = $filesystem->read($params['path']);
             $mimeType = $filesystem->mimeType($params['path']);
         } catch (\Throwable $th) {
diff --git a/src/traits/UrlGeneratorAdapterTrait.php b/src/traits/UrlGeneratorAdapterTrait.php
index a44c4d0..5009467 100644
--- a/src/traits/UrlGeneratorAdapterTrait.php
+++ b/src/traits/UrlGeneratorAdapterTrait.php
@@ -4,7 +4,6 @@
 
 use DateTimeInterface;
 use diecoding\flysystem\AbstractComponent;
-use diecoding\flysystem\actions\FileAction;
 use League\Flysystem\Config;
 use League\Flysystem\PathPrefixer;
 use yii\helpers\Json;
@@ -61,8 +60,7 @@ public function temporaryUrl(string $path, DateTimeInterface $expiresAt, /** @sc
 
     private function generateUrlAction(array $params): string
     {
-        $attachmentName = (string) pathinfo($params['path'], PATHINFO_BASENAME);
-        $data = $this->component->/** @scrutinizer ignore-call */encrypt(Json::encode($params)) . FileAction::FILENAME_SEPARATOR . $attachmentName;
+        $data = $this->component->/** @scrutinizer ignore-call */encrypt(Json::encode($params));
 
         return Url::toRoute([$this->component->action, 'data' => $data], true);
     }