diff --git a/ethereum/besu/ethereum-classic-besu-pruned-bonsai.yml b/ethereum/besu/ethereum-classic-besu-pruned-bonsai.yml
index 3ff75dfe..8fe6c709 100644
--- a/ethereum/besu/ethereum-classic-besu-pruned-bonsai.yml
+++ b/ethereum/besu/ethereum-classic-besu-pruned-bonsai.yml
@@ -113,7 +113,7 @@ x-upstreams:
           frameSize: 20Mb
           msgSize: 50Mb
           url: $${WS_URL}
-    chain: ethereum
+    chain: ethereum-classic
     method-groups:
       enabled:
         - debug