diff --git a/csharp/src/Network.Tron.Grpc/Workers/TronTransactionProcessorWorker.cs b/csharp/src/Network.Tron.Grpc/Workers/TronTransactionProcessorWorker.cs
index 8ac6a6ec..39d57253 100644
--- a/csharp/src/Network.Tron.Grpc/Workers/TronTransactionProcessorWorker.cs
+++ b/csharp/src/Network.Tron.Grpc/Workers/TronTransactionProcessorWorker.cs
@@ -171,8 +171,7 @@ private async Task ProcessRequestAsync(ITronTransactionQueueRepository repo, Tro
             var trainContract = Network.Contracts.FirstOrDefault(c => c.Type == "Train")
                 ?? throw new InvalidOperationException($"No Train contract configured on {_networkSlug}");
 
-            var callValue = request.Payload is TxPayload.Lock l && IsNativeToken(l.Request.TokenContract)
-                ? BigInteger.Parse(l.Request.Amount) : BigInteger.Zero;
+            var callValue = BigInteger.Parse(calldata.Amount ?? "0");
 
             unsignedTx = await tronTxService.BuildHTLCTransactionAsync(new TronBuildHTLCTransactionRequest
             {