diff --git a/src/lib/mixer_module/functions/FunctionManualRC.hpp b/src/lib/mixer_module/functions/FunctionManualRC.hpp
index 38f7d096a94e..ba6766f27094 100644
--- a/src/lib/mixer_module/functions/FunctionManualRC.hpp
+++ b/src/lib/mixer_module/functions/FunctionManualRC.hpp
@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (c) 2021-2022 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2021-2024 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
@@ -56,7 +56,7 @@ class FunctionManualRC : public FunctionProviderBase
 	{
 		manual_control_setpoint_s manual_control_setpoint;
 
-		if (_topic.update(&manual_control_setpoint)) {
+		if (_topic.update(&manual_control_setpoint) && manual_control_setpoint.valid) {
 			_data[0] = manual_control_setpoint.roll;
 			_data[1] = manual_control_setpoint.pitch;
 			_data[2] = manual_control_setpoint.throttle;