invalid error

diff --git a/System.php b/System.php
index 698257c..e698eb4 100644 (file)
--- a/System.php
+++ b/System.php
@@ -635,7 +635,7 @@ class System
       */
     static function rename($src, $dest)
     {
-        if (file_exists($src)) {
+        if (!file_exists($src)) {
             trigger_error("Rename source location does not exist",E_USER_ERROR);
         }
         $cmd = System::which('mv') . ' ' . escapeshellarg($src) . ' ' . escapeshellarg($dest);