diff --git a/ArduCopter/navigation.pde b/ArduCopter/navigation.pde
index dfef3ef3c8..504e4f1896 100644
--- a/ArduCopter/navigation.pde
+++ b/ArduCopter/navigation.pde
@@ -17,7 +17,7 @@ static void run_nav_updates(void)
 
 // calc_position - get lat and lon positions from inertial nav library
 static void calc_position(){
-    if (inertial_nav.get_filter_status().flags.horiz_pos_abs) {
+    if (ap.home_is_set) {
         // pull position from interial nav library
         current_loc.lng = inertial_nav.get_longitude();
         current_loc.lat = inertial_nav.get_latitude();