diff --git a/mev_inspect/tokenflow.py b/mev_inspect/tokenflow.py
index ff61f1c..4af2092 100644
--- a/mev_inspect/tokenflow.py
+++ b/mev_inspect/tokenflow.py
@@ -2,7 +2,7 @@ from typing import List, Optional
 
 from mev_inspect.schemas import Block, Trace, TraceType
 
-weth_address = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
+weth_address = "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"
 
 cache_directory = "./cache"