diff --git a/inc/inc.Tasks.php b/inc/inc.Tasks.php
index 55637aa46..a7cc19c83 100644
--- a/inc/inc.Tasks.php
+++ b/inc/inc.Tasks.php
@@ -172,6 +172,7 @@ class SeedDMS_IndexingDocumentsTask extends SeedDMS_SchedulerTaskBase { /* {{{ *
 	 */
 	public function execute($task) {
 		$dms = $this->dms;
+		$logger = $this->logger;
 		$fulltextservice = $this->fulltextservice;
 		$taskparams = $task->getParameter();
 		$folder = $dms->getRootFolder();
@@ -265,6 +266,7 @@ class SeedDMS_CheckSumTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
 	 */
 	public function execute($task) {
 		$dms = $this->dms;
+		$logger = $this->logger;
 		$taskparams = $task->getParameter();
 		$folder = $dms->getRootFolder();