diff --git a/selfdrive/car/toyota/interface.py b/selfdrive/car/toyota/interface.py
index d51db3bd333ba0..02a1cb6ccaccd3 100755
--- a/selfdrive/car/toyota/interface.py
+++ b/selfdrive/car/toyota/interface.py
@@ -9,7 +9,7 @@
 
 op_params = opParams()
 spairrowtuning = op_params.get('spairrowtuning')
-corolla_tss2_D_tuning = op_params.get('corolla_tss2_D_tuning')
+corolla_tss2_d_tuning = op_params.get('corolla_tss2_d_tuning')
 
 GearShifter = car.CarState.GearShifter