diff --git a/Assets/CoreBluetooth/Samples/01_LightControl/SampleLightControl_Peripheral.cs b/Assets/CoreBluetooth/Samples/01_LightControl/SampleLightControl_Peripheral.cs
index c152fc9..e277831 100644
--- a/Assets/CoreBluetooth/Samples/01_LightControl/SampleLightControl_Peripheral.cs
+++ b/Assets/CoreBluetooth/Samples/01_LightControl/SampleLightControl_Peripheral.cs
@@ -85,13 +85,13 @@ void ICBPeripheralManagerDelegate.DidReceiveWriteRequests(CBPeripheralManager pe
             {
                 if (request.Characteristic.UUID != SampleLightControl_Data.LightControlCharacteristicUUID)
                 {
-                    peripheral.RespondToRequest(request, CBATTError.RequestNotSupported);
+                    peripheral.RespondToRequest(firstRequest, CBATTError.RequestNotSupported);
                     return;
                 }
 
                 if (request.Value.Length != 7)
                 {
-                    peripheral.RespondToRequest(request, CBATTError.InvalidAttributeValueLength);
+                    peripheral.RespondToRequest(firstRequest, CBATTError.InvalidAttributeValueLength);
                     return;
                 }
             }