diff --git a/ArduCopter/config.h b/ArduCopter/config.h
index 2708415bf0..4dc231c36e 100644
--- a/ArduCopter/config.h
+++ b/ArduCopter/config.h
@@ -297,7 +297,7 @@
  # define FAILSAFE_GPS_TIMEOUT_MS       5000    // gps failsafe triggers after 5 seconds with no GPS
 #endif
 #ifndef GPS_HDOP_GOOD_DEFAULT
- # define GPS_HDOP_GOOD_DEFAULT         200     // minimum hdop that represents a good position.  used during pre-arm checks if fence is enabled
+ # define GPS_HDOP_GOOD_DEFAULT         230     // minimum hdop that represents a good position.  used during pre-arm checks if fence is enabled
 #endif
 
 // GCS failsafe