diff --git a/selfdrive/controls/lib/drive_helpers.py b/selfdrive/controls/lib/drive_helpers.py
index a332d06765..db5b24ef38 100644
--- a/selfdrive/controls/lib/drive_helpers.py
+++ b/selfdrive/controls/lib/drive_helpers.py
@@ -17,7 +17,7 @@ V_CRUISE_INITIAL_EXPERIMENTAL_MODE = 105
 IMPERIAL_INCREMENT = 1.6  # should be CV.MPH_TO_KPH, but this causes rounding errors
 
 MIN_SPEED = 1.0
-LAT_MPC_N = 16
+LAT_MPC_N = 32
 LON_MPC_N = 32
 CONTROL_N = 17
 CAR_ROTATION_RADIUS = 0.0
diff --git a/selfdrive/controls/plannerd.py b/selfdrive/controls/plannerd.py
index aac7a78ccd..38d4c54abe 100755
--- a/selfdrive/controls/plannerd.py
+++ b/selfdrive/controls/plannerd.py
@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
 from cereal import car
+import numpy as np
+from selfdrive.modeld.constants import T_IDXS
+from selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import T_IDXS as T_IDXS_LONG
 from common.params import Params
 from common.realtime import Priority, config_realtime_process
 from system.swaglog import cloudlog
@@ -32,7 +35,7 @@ def plannerd_thread(sm=None, pm=None):
     if sm.updated['modelV2']:
       longitudinal_planner.update(sm)
       longitudinal_planner.publish(sm, pm)
-      lateral_planner.update(sm, longitudinal_planner.mpc.v_solution)
+      lateral_planner.update(sm, np.interp(T_IDXS, T_IDXS_LONG, longitudinal_planner.mpc.v_solution))
       lateral_planner.publish(sm, pm)