diff --git a/apps/examples/kalman_demo/params.c b/apps/examples/kalman_demo/params.c
index 91e80a5eac..50642f0670 100644
--- a/apps/examples/kalman_demo/params.c
+++ b/apps/examples/kalman_demo/params.c
@@ -1,7 +1,7 @@
 #include <systemlib/param/param.h>
 
 /*PARAM_DEFINE_FLOAT(NAME,0.0f);*/
-PARAM_DEFINE_FLOAT(KF_V_GYRO, 1.0f);
+PARAM_DEFINE_FLOAT(KF_V_GYRO, 0.008f);
 PARAM_DEFINE_FLOAT(KF_V_ACCEL, 1.0f);
 PARAM_DEFINE_FLOAT(KF_R_MAG, 1.0f);
 PARAM_DEFINE_FLOAT(KF_R_GPS_VEL, 1.0f);
@@ -14,4 +14,3 @@ PARAM_DEFINE_FLOAT(KF_FAULT_ATT, 10.0f);
 PARAM_DEFINE_FLOAT(KF_ENV_G, 9.765f);
 PARAM_DEFINE_FLOAT(KF_ENV_MAG_DIP, 60.0f);
 PARAM_DEFINE_FLOAT(KF_ENV_MAG_DEC, 0.0f);
-
diff --git a/apps/sensors/sensor_params.c b/apps/sensors/sensor_params.c
index a1ef9d136e..c850e3a1e0 100644
--- a/apps/sensors/sensor_params.c
+++ b/apps/sensors/sensor_params.c
@@ -88,7 +88,7 @@ PARAM_DEFINE_FLOAT(RC4_MIN, 1000);
 PARAM_DEFINE_FLOAT(RC4_TRIM, 1500);
 PARAM_DEFINE_FLOAT(RC4_MAX, 2000);
 PARAM_DEFINE_FLOAT(RC4_REV, 1.0f);
-PARAM_DEFINE_FLOAT(RC4_DZ, 0.0f);
+PARAM_DEFINE_FLOAT(RC4_DZ, 30.0f);
 
 PARAM_DEFINE_FLOAT(RC5_MIN, 1000);
 PARAM_DEFINE_FLOAT(RC5_TRIM, 1500);