diff --git a/selfdrive/controls/controlsd.py b/selfdrive/controls/controlsd.py
index 1dc9dd39f..770c39d3f 100755
--- a/selfdrive/controls/controlsd.py
+++ b/selfdrive/controls/controlsd.py
@@ -629,8 +629,8 @@ class Controls:
 
         if CC.latActive:
           steer = clip(self.sm['testJoystick'].axes[1], -1, 1)
-          # max angle is 45 for angle-based cars
-          actuators.steer, actuators.steeringAngleDeg = steer, steer * 45.
+          # max angle is 45 for angle-based cars, max curvature is 0.02
+          actuators.steer, actuators.steeringAngleDeg, actuators.curvature = steer, steer * 45., steer * -0.02
 
         lac_log.active = self.active
         lac_log.steeringAngleDeg = CS.steeringAngleDeg