diff --git a/selfdrive/controls/lib/tests/test_latcontrol.py b/selfdrive/controls/lib/tests/test_latcontrol.py
index e12da6ed97..c6b94fa24b 100644
--- a/selfdrive/controls/lib/tests/test_latcontrol.py
+++ b/selfdrive/controls/lib/tests/test_latcontrol.py
@@ -1,6 +1,7 @@
 from parameterized import parameterized
 
 from cereal import car, log
+from openpilot.selfdrive.car.card import convert_to_capnp
 from openpilot.selfdrive.car.car_helpers import interfaces
 from openpilot.selfdrive.car.honda.values import CAR as HONDA
 from openpilot.selfdrive.car.toyota.values import CAR as TOYOTA
@@ -19,6 +20,7 @@ class TestLatControl:
     CarInterface, CarController, CarState = interfaces[car_name]
     CP = CarInterface.get_non_essential_params(car_name)
     CI = CarInterface(CP, CarController, CarState)
+    CP = convert_to_capnp(CP)
     VM = VehicleModel(CP)
 
     controller = controller(CP.as_reader(), CI)
diff --git a/selfdrive/controls/lib/tests/test_vehicle_model.py b/selfdrive/controls/lib/tests/test_vehicle_model.py
index f666f875a6..dae465a50d 100644
--- a/selfdrive/controls/lib/tests/test_vehicle_model.py
+++ b/selfdrive/controls/lib/tests/test_vehicle_model.py
@@ -3,6 +3,7 @@ import math
 
 import numpy as np
 
+from openpilot.selfdrive.car.card import convert_to_capnp
 from openpilot.selfdrive.car.honda.interface import CarInterface
 from openpilot.selfdrive.car.honda.values import CAR
 from openpilot.selfdrive.controls.lib.vehicle_model import VehicleModel, dyn_ss_sol, create_dyn_state_matrices
@@ -11,7 +12,7 @@ from openpilot.selfdrive.controls.lib.vehicle_model import VehicleModel, dyn_ss_
 class TestVehicleModel:
   def setup_method(self):
     CP = CarInterface.get_non_essential_params(CAR.HONDA_CIVIC)
-    self.VM = VehicleModel(CP)
+    self.VM = VehicleModel(convert_to_capnp(CP))
 
   def test_round_trip_yaw_rate(self):
     # TODO: fix VM to work at zero speed