diff --git a/elements/lisk-codec/benchmark/encode_decode_small_lisk_transaction.js b/elements/lisk-codec/benchmark/encode_decode_small_lisk_transaction.js
index d868cf8420d..647189360d9 100644
--- a/elements/lisk-codec/benchmark/encode_decode_small_lisk_transaction.js
+++ b/elements/lisk-codec/benchmark/encode_decode_small_lisk_transaction.js
@@ -51,7 +51,7 @@ const testSchema = {
 	properties: {
 		senderPublicKey: { fieldNumber: 1, dataType: 'bytes' },
 		nonce: { fieldNumber: 2, dataType: 'uint32' },
-		free: { fieldNumber: 3, dataType: 'uint64' },
+		fee: { fieldNumber: 3, dataType: 'uint64' },
 		type: { fieldNumber: 4, dataType: 'uint32' },
 		asset: {
 			type: 'object',