diff --git a/selfdrive/test/longitudinal_maneuvers/plant.py b/selfdrive/test/longitudinal_maneuvers/plant.py
index 989b84dee3..e534641185 100755
--- a/selfdrive/test/longitudinal_maneuvers/plant.py
+++ b/selfdrive/test/longitudinal_maneuvers/plant.py
@@ -107,12 +107,13 @@ class Plant:
     position = log.XYZTData.new_message()
     position.x = [float(x) for x in (self.speed + 0.5) * np.array(ModelConstants.T_IDXS)]
     model.modelV2.position = position
+    model.modelV2.action.desiredAcceleration = float(self.acceleration + 0.1)
     velocity = log.XYZTData.new_message()
     velocity.x = [float(x) for x in (self.speed + 0.5) * np.ones_like(ModelConstants.T_IDXS)]
     velocity.x[0] = float(self.speed) # always start at current speed
     model.modelV2.velocity = velocity
     acceleration = log.XYZTData.new_message()
-    acceleration.x = [float(x) for x in np.zeros_like(ModelConstants.T_IDXS)]
+    acceleration.x = [float(x + 0.1) for x in np.zeros_like(ModelConstants.T_IDXS)]
     model.modelV2.acceleration = acceleration
     model.modelV2.meta.disengagePredictions.gasPressProbs = [float(prob_throttle) for _ in range(6)]