diff --git a/ArduCopter/config.h b/ArduCopter/config.h
index 88701c79d8..d677d1bba9 100644
--- a/ArduCopter/config.h
+++ b/ArduCopter/config.h
@@ -101,7 +101,7 @@
 #endif
 
 #ifndef RANGEFINDER_WPNAV_FILT_HZ
- # define RANGEFINDER_WPNAV_FILT_HZ   0.25f // filter frequency for rangefinder altitude provided to waypoint navigation class
+ # define RANGEFINDER_WPNAV_FILT_HZ   0.5f // filter frequency for rangefinder altitude provided to waypoint navigation class
 #endif
 
 #ifndef RANGEFINDER_TILT_CORRECTION         // by disable tilt correction for use of range finder data by EKF