diff --git a/neo/Ledger/MemoryPool.cs b/neo/Ledger/MemoryPool.cs
index 10ee5f9d0b..f31e07e56c 100644
--- a/neo/Ledger/MemoryPool.cs
+++ b/neo/Ledger/MemoryPool.cs
@@ -365,11 +365,11 @@ internal void UpdatePoolForBlockPersisted(Block block, Snapshot snapshot)
                         if (item.Tx.FeePerByte >= _feePerByte)
                             tx.Add(item.Tx);
 
-                    if (tx.Count > 0)
-                        _system.Blockchain.Tell(tx.ToArray(), ActorRefs.NoSender);
-
                     _unverifiedTransactions.Clear();
                     _unverifiedSortedTransactions.Clear();
+
+                    if (tx.Count > 0)
+                        _system.Blockchain.Tell(tx.ToArray(), ActorRefs.NoSender);
                 }
             }
             finally