diff --git a/lib/redmine/mime_type.rb b/lib/redmine/mime_type.rb
index 730a2f0e9..1a5c3d345 100644
--- a/lib/redmine/mime_type.rb
+++ b/lib/redmine/mime_type.rb
@@ -26,7 +26,6 @@ module Redmine
       'text/x-c' => 'c,cpp,cc,h,hh',
       'text/x-csharp' => 'cs',
       'text/x-java' => 'java',
-      'text/x-javascript' => 'js',
       'text/x-html-template' => 'rhtml',
       'text/x-perl' => 'pl,pm',
       'text/x-php' => 'php,php3,php4,php5',
@@ -45,6 +44,7 @@ module Redmine
       'image/x-ms-bmp' => 'bmp',
       'image/x-xpixmap' => 'xpm',
       'image/svg+xml'=> 'svg',
+      'application/javascript' => 'js',
       'application/pdf' => 'pdf',
       'application/rtf' => 'rtf',
       'application/msword' => 'doc',