added a missing bracket
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 03a7b21..9a47aa8 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -187,7 +187,7 @@
// Set the uploaded data as class variables
$this->file_temp = $_FILES[$field]['tmp_name'];
- $this->file_name = $this->_prep_filename($_FILES[$field]['name'];
+ $this->file_name = $this->_prep_filename($_FILES[$field]['name']);
$this->file_size = $_FILES[$field]['size'];
$this->file_type = preg_replace("/^(.+?);.*$/", "\\1", $_FILES[$field]['type']);
$this->file_type = strtolower($this->file_type);