diff --git a/chains/chains_mainnet.json b/chains/chains_mainnet.json
index 854760ae..fe2fd655 100644
--- a/chains/chains_mainnet.json
+++ b/chains/chains_mainnet.json
@@ -13,7 +13,7 @@
     },
     {
         "id": "0021",
-        "url": "http://haproxy/erigon"
+        "url": "http://haproxy/mainnet"
     },
     {
         "id": "0022",