diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/plugins/HierarchicalStorageUpdater.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/plugins/HierarchicalStorageUpdater.java
index 16205b47072582f6c3fe6de373a774e280e32743..d73a2535a29376653d050a1d2bd9cd6482cffd24 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/plugins/HierarchicalStorageUpdater.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/plugins/HierarchicalStorageUpdater.java
@@ -268,6 +268,7 @@ public class HierarchicalStorageUpdater implements IDataStoreLockingMaintenanceT
 
         // by this time - only paths which should be deleted are left in the existingPaths
         deleteObsoleteLinks(existingPaths);
+        operationLog.info(REBUILDING_HIERARCHICAL_STORAGE + " finished");
     }
 
     private void handleNonExistingEntry(DataSetInformation info)