diff --git a/selfdrive/selfdrived/selfdrived.py b/selfdrive/selfdrived/selfdrived.py
index f0d06f32c0..e5a97e0ce3 100755
--- a/selfdrive/selfdrived/selfdrived.py
+++ b/selfdrive/selfdrived/selfdrived.py
@@ -377,8 +377,8 @@ class SelfdriveD:
         self.events.add(EventName.personalityChanged)
 
   def data_sample(self):
-    car_state = messaging.recv_one(self.car_state_sock)
-    CS = car_state.carState if car_state else self.CS_prev
+    _car_state = messaging.recv_one(self.car_state_sock)
+    CS = _car_state.carState if _car_state else self.CS_prev
 
     self.sm.update(0)