diff --git a/library/attach_mod/includes/functions_thumbs.php b/library/attach_mod/includes/functions_thumbs.php
index bc33bd9b..dd4a951e 100644
--- a/library/attach_mod/includes/functions_thumbs.php
+++ b/library/attach_mod/includes/functions_thumbs.php
@@ -180,9 +180,6 @@ function create_thumbnail($source, $new_file, $mimetype)
 				imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
 			}
 
-			// Устанавливаем тип содержимого в заголовок
-			header('Content-Type: ' . $mimetype);
-
 			switch ($type['format'])
 			{
 				case IMG_GIF: