diff --git a/selfdrive/car/chrysler/interface.py b/selfdrive/car/chrysler/interface.py
index e433665d99..ccf3bc9fe4 100755
--- a/selfdrive/car/chrysler/interface.py
+++ b/selfdrive/car/chrysler/interface.py
@@ -11,10 +11,7 @@ class CarInterface(CarInterfaceBase):
     return float(accel) / 3.0
 
   @staticmethod
-  def get_params(candidate, fingerprint=None, car_fw=None):
-    if fingerprint is None:
-      fingerprint = gen_empty_fingerprint()
-
+  def get_params(candidate, fingerprint=gen_empty_fingerprint(), car_fw=None):
     ret = CarInterfaceBase.get_std_params(candidate, fingerprint)
     ret.carName = "chrysler"
     ret.safetyModel = car.CarParams.SafetyModel.chrysler