diff --git a/build/api/module/department/exportController.php b/build/api/module/department/exportController.php
index ccefcea..6d61aa0 100644
--- a/build/api/module/department/exportController.php
+++ b/build/api/module/department/exportController.php
@@ -173,7 +173,7 @@ class exportController
         return [
 			'headers' => [
 				'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
-				'Content-Disposition'       => 'attachment; filename=archive.xsl'
+				'Content-Disposition'       => 'attachment; filename=archive.xls'
 			],
 			'body' => file_get_contents($tmpFilename)
 		];