diff --git a/src/modules/mavlink/streams/HEARTBEAT.hpp b/src/modules/mavlink/streams/HEARTBEAT.hpp
index 8d0bd4fad9..ca6f9d63ca 100644
--- a/src/modules/mavlink/streams/HEARTBEAT.hpp
+++ b/src/modules/mavlink/streams/HEARTBEAT.hpp
@@ -34,6 +34,7 @@
 #ifndef HEARTBEAT_HPP
 #define HEARTBEAT_HPP
 
+#include <uORB/topics/actuator_armed.h>
 #include <uORB/topics/vehicle_control_mode.h>
 #include <uORB/topics/vehicle_status.h>
 #include <uORB/topics/vehicle_status_flags.h>