diff --git a/fabcar/javascript-low-level/invoke.js b/fabcar/javascript-low-level/invoke.js
index 65e067a7..e30b7e7c 100644
--- a/fabcar/javascript-low-level/invoke.js
+++ b/fabcar/javascript-low-level/invoke.js
@@ -77,7 +77,6 @@ async function invoke() {
 			chaincodeId: 'fabcar',
 			fcn: 'createCar',
 			args: ['CAR12', 'Honda', 'Accord', 'Black', 'Tom'],
-			chainId: 'mychannel',
 			txId: tx_id
 		};