Index: typo3/sysext/install/mod/class.tx_install.php
===================================================================
--- typo3/sysext/install/mod/class.tx_install.php	(revision 9766)
+++ typo3/sysext/install/mod/class.tx_install.php	(working copy)
@@ -6459,6 +6459,8 @@
 	 */
 	function updateWizard_parts($action) {
 		$content = '';
+		$updateItems = array();
+
 			// Get the template file
 		$templateFile = @file_get_contents(PATH_site . $this->templateFilePath . 'UpdateWizardParts.html');