diff --git a/app/Classes/Modules/Bookings/ControllersLogic/DownloadBookingDocumentLogic.php b/app/Classes/Modules/Bookings/ControllersLogic/DownloadBookingDocumentLogic.php
index b7633d8a..74d2f0c1 100644
--- a/app/Classes/Modules/Bookings/ControllersLogic/DownloadBookingDocumentLogic.php
+++ b/app/Classes/Modules/Bookings/ControllersLogic/DownloadBookingDocumentLogic.php
@@ -50,12 +50,12 @@ class DownloadBookingDocumentLogic
             $zip->close();
 
             header('Content-Type: application/zip');
-            header('Content-Disposition: attachment; filename="'.basename($attachment).'"');
             header('Content-Length: ' . filesize($attachment));
 
-            flush();
+            // download zip
             readfile($attachment);
-            // delete file
+
+            // delete after download
             unlink($attachment);
 
         }