diff --git a/Sync.cs b/Sync.cs
index 4a6b7d4..bc068ff 100644
--- a/Sync.cs
+++ b/Sync.cs
@@ -440,6 +440,7 @@ private static async Task SyncUser(GraphServiceClient GraphClient, string id)
                 tableActionQueue_Users.Enqueue(new TableTransactionAction(TableTransactionActionType.UpsertMerge, new TableEntity("Users", id)
                 {
                     {"Exists", "false"},
+                    {"LastUserSync", DateTime.UtcNow},
                 }));
             }
             else