diff --git a/pear/PEAR/Installer.php b/pear/PEAR/Installer.php
index d15898ed62f..20624be2be3 100644
--- a/pear/PEAR/Installer.php
+++ b/pear/PEAR/Installer.php
@@ -384,6 +384,7 @@ class PEAR_Installer extends PEAR_Common
             list($type, $data) = $tr;
             switch ($type) {
                 case 'rename':
+                    @unlink($data[1]);
                     @rename($data[0], $data[1]);
                     $this->log(3, "+ mv $data[0] $data[1]");
                     break;