diff --git a/src/neo/SmartContract/Native/Tokens/NeoToken.cs b/src/neo/SmartContract/Native/Tokens/NeoToken.cs
index 08371a3fbf..ca06d8378c 100644
--- a/src/neo/SmartContract/Native/Tokens/NeoToken.cs
+++ b/src/neo/SmartContract/Native/Tokens/NeoToken.cs
@@ -109,7 +109,8 @@ protected override void OnPersist(ApplicationEngine engine)
         [ContractMethod(0_05000000, CallFlags.AllowModifyStates)]
         private bool SetGasPerBlock(ApplicationEngine engine, BigInteger gasPerBlock)
         {
-            if (gasPerBlock < 0 || gasPerBlock > 10 * GAS.Factor) return false;
+            if (gasPerBlock < 0 || gasPerBlock > 10 * GAS.Factor)
+                throw new ArgumentOutOfRangeException(nameof(gasPerBlock));
             if (!CheckCommittee(engine)) return false;
             GasRecord gasRecord = engine.Snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_GasPerBlock)).GetInteroperable<GasRecord>();
             if (gasRecord[^1].Index == engine.Snapshot.PersistingBlock.Index)