diff --git a/neo/SmartContract/StateReader.cs b/neo/SmartContract/StateReader.cs
index 5ae79fc227..6a7229d034 100644
--- a/neo/SmartContract/StateReader.cs
+++ b/neo/SmartContract/StateReader.cs
@@ -948,8 +948,12 @@ protected virtual bool Storage_Find(ExecutionEngine engine)
                 StorageContext context = _interface.GetInterface<StorageContext>();
                 if (!CheckStorageContext(context)) return false;
                 byte[] prefix = engine.EvaluationStack.Pop().GetByteArray();
-                prefix = context.ScriptHash.ToArray().Concat(prefix).ToArray();
-                StorageIterator iterator = new StorageIterator(Storages.Find(prefix).GetEnumerator());
+                StorageKey key = new StorageKey
+                {
+                    ScriptHash = context.ScriptHash,
+                    Key = prefix
+                };
+                StorageIterator iterator = new StorageIterator(Storages.Find(key.ToArray()).GetEnumerator());
                 engine.EvaluationStack.Push(StackItem.FromInterface(iterator));
                 disposables.Add(iterator);
                 return true;