diff --git a/neo/Network/P2P/TaskManager.cs b/neo/Network/P2P/TaskManager.cs
index e501e2bb10..f66744e92e 100644
--- a/neo/Network/P2P/TaskManager.cs
+++ b/neo/Network/P2P/TaskManager.cs
@@ -230,8 +230,8 @@ private void RequestTasks(TaskSession session)
             }
             if ((!HasHeaderTask || globalTasks[HeaderTaskHash] < MaxConncurrentTasks)
                 && (Blockchain.Singleton.HeaderHeight < session.Version.StartHeight
-                    || (Blockchain.Singleton.HeaderHeight == session.Version.StartHeight
-                        && Blockchain.Singleton.HeaderHeight == sessions.Select(x => x.Value.Version.StartHeight).Max()
+                    || (Blockchain.Singleton.Height == Blockchain.Singleton.HeaderHeight
+                        && Blockchain.Singleton.HeaderHeight >= sessions.Select(x => x.Value.Version.StartHeight).Max()
                         && TimeProvider.Current.UtcNow.ToTimestamp() - 60 >= Blockchain.Singleton.GetBlock(Blockchain.Singleton.CurrentHeaderHash)?.Timestamp)))
             {
                 session.Tasks[HeaderTaskHash] = DateTime.UtcNow;