diff --git a/screening/etc/service.properties b/screening/etc/service.properties
index a5f10c9f2483c9be36d71a99ccdb02dc5076e514..730c3f54a8b04983e3f4ea7acbf5aa966012cf3f 100644
--- a/screening/etc/service.properties
+++ b/screening/etc/service.properties
@@ -150,7 +150,7 @@ hierarchical-storage-updater.interval = 86400
 hierarchical-storage-updater.hierarchy-root-dir = ${root-dir}/hierarchical-store
 
 # Removes data sets deleted from openBIS also from imaging database
-data-set-clean-up.class = ch.systemsx.cisd.etlserver.plugins.DataSetDeletionMaintenanceTask
+data-set-clean-up.class = ch.systemsx.cisd.etlserver.plugins.DeleteFromExternalDBMaintenanceTask
 # specified in seconds. Here : every day
 data-set-clean-up.interval = 86400
 data-set-clean-up.data-source = imaging-db