1 files changed, 1 insertions, 1 deletions
diff --git a/php/upload.php b/php/upload.php
index 118552e..6f764f5 100644
--- a/php/upload.php
+++ b/php/upload.php
@@ -42,7 +42,7 @@ function generateName($file)
                 500); // HTTP status code "500 Internal Server Error"
         }
 
-        $chars = range('a', 'z');
+        $chars = ID_CHARSET; 
         $name = '';
         for ($i = 0; $i < $length; ++$i) {
             $name .= $chars[array_rand($chars)];