diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp
index e3a9cd6949..e15eb112fb 100644
--- a/src/modules/commander/commander.cpp
+++ b/src/modules/commander/commander.cpp
@@ -2762,6 +2762,7 @@ int commander_thread_main(int argc, char *argv[])
 	px4_close(diff_pres_sub);
 	px4_close(param_changed_sub);
 	px4_close(battery_sub);
+	px4_close(land_detector_sub);
 
 	thread_running = false;