diff -r 4e26d6079910 -r 62e1a6f3de84 plugins/SpecialUpdownload.php
--- a/plugins/SpecialUpdownload.php	Wed Jan 09 22:23:09 2008 -0500
+++ b/plugins/SpecialUpdownload.php	Wed Jan 23 19:36:16 2008 -0500
@@ -93,7 +93,7 @@
       die_friendly('Upload failed', '<p>Enano was unable to determine the format of the uploaded file.</p>');
     */
     $types = fetch_allowed_extensions();
-    $ext = substr($file['name'], strrpos($file['name'], '.')+1, strlen($file['name']));
+    $ext = strtolower(substr($file['name'], strrpos($file['name'], '.')+1, strlen($file['name'])));
     if ( !isset($types[$ext]) || ( isset($types[$ext]) && !$types[$ext] ) )
     {
       die_friendly('Upload failed', '<p>The file type ".'.$ext.'" is not allowed.</p>');