diff --git a/engineapi/engineapi/settings.py b/engineapi/engineapi/settings.py
index 9ee4bab2..9a6b5698 100644
--- a/engineapi/engineapi/settings.py
+++ b/engineapi/engineapi/settings.py
@@ -100,7 +100,7 @@ blockchain_names = [
     "zksync_era",
     "zksync_era_sepolia",
     "arbitrum_nova",
-    "arbitrum",
+    "arbitrum_sepolia",
     "xai",
     "xai_sepolia",
     "avalanche",