diff --git a/tests/commands/test_live.py b/tests/commands/test_live.py
index 760470b6..7eff66a0 100644
--- a/tests/commands/test_live.py
+++ b/tests/commands/test_live.py
@@ -285,7 +285,7 @@ def test_live_aborts_when_lean_config_is_missing_properties(target: str, replace
     "Tradier": {
         "tradier-account-id": "123",
         "tradier-access-token": "456",
-        "tradier-use-sandbox": "paper"
+        "tradier-environment": "paper"
     },
     "OANDA": {
         "oanda-account-id": "123",