diff --git a/build/api/module/department/exportController.php b/build/api/module/department/exportController.php
index d14a8f7..ccefcea 100644
--- a/build/api/module/department/exportController.php
+++ b/build/api/module/department/exportController.php
@@ -149,7 +149,7 @@ class exportController
         }
 
         //set content type headers
-        header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+        // header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
 
         //reating writer
         $writer = new \PhpOffice\PhpSpreadsheet\Writer\Xls($spreadsheet);
@@ -170,7 +170,13 @@ class exportController
         $writer->save("$tmpFilename");
 
         //get file content
-        echo file_get_contents($tmpFilename);
+        return [
+			'headers' => [
+				'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+				'Content-Disposition'       => 'attachment; filename=archive.xsl'
+			],
+			'body' => file_get_contents($tmpFilename)
+		];
     }
 
 }
\ No newline at end of file
diff --git a/config/modules.json b/config/modules.json
index 6602225..e514e58 100644
--- a/config/modules.json
+++ b/config/modules.json
@@ -121,7 +121,8 @@
 			"GET": {
 				"des": "Export the data of the current department and version to a Excel file",
 				"per": [["cas_admin"]],
-				"par": {}
+				"par": {},
+				"opt": { "download": true }
 			}
 		},
 		"version":{