diff --git a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/NotebookRepoSync.java b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/NotebookRepoSync.java
index f67b71f5d6c..e7cb6a3fafb 100644
--- a/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/NotebookRepoSync.java
+++ b/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/NotebookRepoSync.java
@@ -183,7 +183,8 @@ void sync(int sourceRepoIndex, int destRepoIndex, AuthenticationInfo subject) th
     List <NoteInfo> srcNotes = srcRepo.list(subject);
     List <NoteInfo> dstNotes = dstRepo.list(subject);
 
-    Map<String, List<String>> noteIDs = notesCheckDiff(srcNotes, srcRepo, dstNotes, dstRepo);
+    Map<String, List<String>> noteIDs = notesCheckDiff(srcNotes, srcRepo, dstNotes, dstRepo,
+        subject);
     List<String> pushNoteIDs = noteIDs.get(pushKey);
     List<String> pullNoteIDs = noteIDs.get(pullKey);
     List<String> delDstNoteIDs = noteIDs.get(delDstKey);
@@ -256,7 +257,8 @@ NotebookRepo getRepo(int repoIndex) throws IOException {
   }
 
   private Map<String, List<String>> notesCheckDiff(List<NoteInfo> sourceNotes,
-      NotebookRepo sourceRepo, List<NoteInfo> destNotes, NotebookRepo destRepo)
+      NotebookRepo sourceRepo, List<NoteInfo> destNotes, NotebookRepo destRepo,
+      AuthenticationInfo subject)
       throws IOException {
     List <String> pushIDs = new ArrayList<String>();
     List <String> pullIDs = new ArrayList<String>();
@@ -268,8 +270,8 @@ private Map<String, List<String>> notesCheckDiff(List<NoteInfo> sourceNotes,
       dnote = containsID(destNotes, snote.getId());
       if (dnote != null) {
         /* note exists in source and destination storage systems */
-        sdate = lastModificationDate(sourceRepo.get(snote.getId(), null));
-        ddate = lastModificationDate(destRepo.get(dnote.getId(), null));
+        sdate = lastModificationDate(sourceRepo.get(snote.getId(), subject));
+        ddate = lastModificationDate(destRepo.get(dnote.getId(), subject));
 
         if (sdate.compareTo(ddate) != 0) {
           if (sdate.after(ddate) || oneWaySync) {