diff --git a/inc/inc.Tasks.php b/inc/inc.Tasks.php
index 65ed4fc37..80ae27646 100644
--- a/inc/inc.Tasks.php
+++ b/inc/inc.Tasks.php
@@ -442,11 +442,21 @@ class SeedDMS_PreviewTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
 		$dms = $this->dms;
 		$logger = $this->logger;
 		$settings = $this->settings;
+		$conversionmgr = $this->conversionmgr;
 		$taskparams = $task->getParameter();
 		$folder = $dms->getRootFolder();
 
 		$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir);
-		$previewer->setConverters(isset($settings->_converters['preview']) ? $settings->_converters['preview'] : array());
+		$logger->log('Task \'previewer\': '.($conversionmgr ? 'has conversionmgr' : 'has not conversionmgr'), PEAR_LOG_INFO);
+		if($conversionmgr) {
+			$fromservices = $conversionmgr->getServices();
+			foreach($fromservices as $from=>$toservices)
+				foreach($toservices as $to=>$services)
+					foreach($services as $service)
+						$logger->log($from.'->'.$to.' : '.get_class($service), PEAR_LOG_DEBUG);
+			$previewer->setConversionMgr($conversionmgr);
+		} else
+			$previewer->setConverters(isset($settings->_converters['preview']) ? $settings->_converters['preview'] : array());
 
 		$folderprocess = new SeedDMS_Task_Preview_Process_Folder($previewer, array('list'=>$settings->_previewWidthList, 'detail'=>$settings->_previewWidthDetail), $logger);
 		$tree = new SeedDMS_FolderTree($folder, array($folderprocess, 'process'));