Index: mimedetect.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/mimedetect/mimedetect.module,v
retrieving revision 1.3
diff -u -p -r1.3 mimedetect.module
--- mimedetect.module	7 Jan 2008 20:41:19 -0000	1.3
+++ mimedetect.module	8 Oct 2008 18:47:18 -0000
@@ -178,7 +178,7 @@ function mimedetect_mime($file) {
   if (extension_loaded('fileinfo')) {
     static $finfo = FALSE;
     if ($finfo || $finfo = @finfo_open(FILEINFO_MIME, drupal_get_path('module', 'mimedetect') .'/magic')) {
-      $mime = finfo_file($finfo, $file->filepath);
+      $mime = finfo_file($finfo, realpath($file->filepath));
     }
   }