diff --git a/byol_solidity.py b/byol_solidity.py
index 80ef2bc..5ec5c58 100755
--- a/byol_solidity.py
+++ b/byol_solidity.py
@@ -3,7 +3,7 @@
 from web3.middleware import SignAndSendRawMiddlewareBuilder
 import time
 
-simple_usdc_hex = open('test/demo-contracts/UniswapV2SwapRenamed.USDC.kore.bin').read().rstrip()
+simple_usdc_hex = open('test/demo-contracts/USDCMock.kore.bin').read().rstrip()
 
 w3 = Web3(Web3.HTTPProvider('http://localhost:8545'))
 sender = w3.eth.account.create()