diff --git a/selfdrive/locationd/kalman/models/loc_kf.py b/selfdrive/locationd/kalman/models/loc_kf.py
index 4542e79695..86f31a8c7b 100755
--- a/selfdrive/locationd/kalman/models/loc_kf.py
+++ b/selfdrive/locationd/kalman/models/loc_kf.py
@@ -362,7 +362,7 @@ class LocKalman():
 
     self.obs_noise = {ObservationKind.ODOMETRIC_SPEED: np.atleast_2d(0.2**2),
                       ObservationKind.PHONE_GYRO: np.diag([0.025**2, 0.025**2, 0.025**2]),
-                      ObservationKind.PHONE_ACCEL: np.diag([.5**2, .5**2, .5*2]),
+                      ObservationKind.PHONE_ACCEL: np.diag([.5**2, .5**2, .5**2]),
                       ObservationKind.CAMERA_ODO_ROTATION: np.diag([0.05**2, 0.05**2, 0.05**2]),
                       ObservationKind.IMU_FRAME: np.diag([0.05**2, 0.05**2, 0.05**2]),
                       ObservationKind.NO_ROT: np.diag([0.00025**2, 0.00025**2, 0.00025**2]),