diff --git a/_data/chains/eip155-10.json b/_data/chains/eip155-10.json
index 40e5ae54..06a11075 100644
--- a/_data/chains/eip155-10.json
+++ b/_data/chains/eip155-10.json
@@ -5,7 +5,7 @@
   "faucets": [],
   "nativeCurrency": {
     "name": "Ether",
-    "symbol": "OETH",
+    "symbol": "ETH",
     "decimals": 18
   },
   "infoURL": "https://optimism.io",