diff --git a/src/modules/mavlink/mavlink_messages.cpp b/src/modules/mavlink/mavlink_messages.cpp
index f92876849c..24f04fd74f 100644
--- a/src/modules/mavlink/mavlink_messages.cpp
+++ b/src/modules/mavlink/mavlink_messages.cpp
@@ -41,6 +41,7 @@
 
 #include <px4_time.h>
 #include <stdio.h>
+#include <errno.h>
 
 #include <commander/px4_custom_mode.h>
 #include <lib/geo/geo.h>