diff --git a/src/modules/navigator/MissionFeasibility/FeasibilityChecker.cpp b/src/modules/navigator/MissionFeasibility/FeasibilityChecker.cpp
index ef829d62f5..b27ef969aa 100644
--- a/src/modules/navigator/MissionFeasibility/FeasibilityChecker.cpp
+++ b/src/modules/navigator/MissionFeasibility/FeasibilityChecker.cpp
@@ -46,13 +46,6 @@ FeasibilityChecker::FeasibilityChecker() :
 
 void FeasibilityChecker::reset()
 {
-
-	_is_landed = false;
-	_home_alt_msl = NAN;
-	_home_lat_lon = matrix::Vector2d((double)NAN, (double)NAN);
-	_current_position_lat_lon = matrix::Vector2d((double)NAN, (double)NAN);
-	_vehicle_type = VehicleType::RotaryWing;
-
 	_mission_validity_failed = false;
 	_takeoff_failed = false;
 	_land_pattern_validity_failed = false;
@@ -86,10 +79,16 @@ void FeasibilityChecker::updateData()
 
 		if (home.valid_hpos) {
 			_home_lat_lon = matrix::Vector2d(home.lat, home.lon);
+
+		} else {
+			_home_lat_lon = matrix::Vector2d((double)NAN, (double)NAN);
 		}
 
 		if (home.valid_alt) {
 			_home_alt_msl = home.alt;
+
+		} else {
+			_home_alt_msl = NAN;
 		}
 	}