diff --git a/test/optimism/pay_with_exchange_conversion.spec.ts b/test/optimism/pay_with_exchange_conversion.spec.ts
index a998a94..cd85238 100644
--- a/test/optimism/pay_with_exchange_conversion.spec.ts
+++ b/test/optimism/pay_with_exchange_conversion.spec.ts
@@ -2,8 +2,8 @@ import payWithExchangeConversion from '../_pay-with-exchange-conversion'
 
 payWithExchangeConversion({
   blockchain: 'optimism',
-  fromToken: '0x94b008aA00579c1307B0EF2c499aD98a8ce58e58', // USDT
-  fromAccount: '0x18709E89BD403F470088aBDAcEbE86CC60dda12e', // needs to hold enough fromToken, will be impersonated
+  fromToken: '0x4200000000000000000000000000000000000042', // OP
+  fromAccount: '0xF977814e90dA44bFA03b6295A0616a897441aceC', // needs to hold enough fromToken, will be impersonated
   toToken: '0x7F5c764cBc14f9669B88837ca1490cCa17c31607', // USDC
   exchanges: [
     { name: 'uniswap_v3', type: 'push' },