diff --git a/src/modules/navigator/mission.cpp b/src/modules/navigator/mission.cpp
index da5021c7e8..45839064e4 100644
--- a/src/modules/navigator/mission.cpp
+++ b/src/modules/navigator/mission.cpp
@@ -265,7 +265,7 @@ Mission::update_offboard_mission()
 		_navigator->set_mission_result_updated();
 
 	} else {
-		warnx("offboard mission update failed");
+		PX4_WARN("offboard mission update failed");
 	}
 
 	if (failed) {
diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp
index 7b4bfccf33..1d252ea646 100644
--- a/src/modules/navigator/navigator_main.cpp
+++ b/src/modules/navigator/navigator_main.cpp
@@ -337,11 +337,12 @@ Navigator::task_main()
 
 		if (pret == 0) {
 			/* timed out - periodic check for _task_should_exit, etc. */
+			PX4_WARN("timed out");
 			continue;
 
 		} else if (pret < 0) {
 			/* this is undesirable but not much we can do - might want to flag unhappy status */
-			warn("poll error %d, %d", pret, errno);
+			PX4_WARN("poll error %d, %d", pret, errno);
 			continue;
 		}