diff --git a/src/lib/FlightTasks/tasks/FlightTaskManual.cpp b/src/lib/FlightTasks/tasks/FlightTaskManual.cpp
index ed34e449e885085e3999b5f1bb675dc98ce5e175..827c2c96410829ebee76e69e34648dbfadf2e2da 100644
--- a/src/lib/FlightTasks/tasks/FlightTaskManual.cpp
+++ b/src/lib/FlightTasks/tasks/FlightTaskManual.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (c) 2017 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2018 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -98,3 +98,12 @@ bool FlightTaskManual::_evaluateSticks()
 		return false;
 	}
 }
+
+void FlightTaskManual::_resetToNAN()
+{
+	_thr_sp *= NAN;
+	_vel_sp *= NAN;
+	_pos_sp *= NAN;
+	_yaw_sp = NAN;
+	_yaw_rate_sp = NAN;
+}