diff --git a/src/lib/FlightTasks/CMakeLists.txt b/src/lib/FlightTasks/CMakeLists.txt
index d98a4d38da..2f22377926 100644
--- a/src/lib/FlightTasks/CMakeLists.txt
+++ b/src/lib/FlightTasks/CMakeLists.txt
@@ -35,6 +35,7 @@ px4_add_module(
 	SRCS
 		tasks/FlightTask.cpp
 		tasks/FlightTaskManual.cpp
+		tasks/FlightTaskManualStabilized.cpp
 		tasks/FlightTaskOrbit.cpp
 		tasks/FlightTaskManualAltitude.cpp
 		tasks/FlightTaskManualPosition.cpp