diff --git a/executor/config.py b/executor/config.py
index ba0d593..25020fb 100644
--- a/executor/config.py
+++ b/executor/config.py
@@ -80,7 +80,7 @@ class Settings(BaseSettings):
                 return yaml.safe_load(f) or {}
 
         data = await loop.run_in_executor(None, _read)
-        known = {"live_mode", "fused_engine", "executor", "kucoin_api_key", "kucoin_api_secret", "kucoin_api_passphrase"}
+        known = {"live_mode", "fused_engine", "executor", "kucoin_api_key", "kucoin_api_secret", "kucoin_api_passphrase", "kcs_discount_active"}
         unknown = set(data.keys()) - known
         if unknown:
             log.warning("ignoring unknown config keys: %s", sorted(unknown))