diff --git a/libraries/AP_Follow/AP_Follow.cpp b/libraries/AP_Follow/AP_Follow.cpp
index 371cdde7f7..f893bab09e 100644
--- a/libraries/AP_Follow/AP_Follow.cpp
+++ b/libraries/AP_Follow/AP_Follow.cpp
@@ -20,6 +20,7 @@
 
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_Logger/AP_Logger.h>
+#include <GCS_MAVLink/GCS.h>
 
 extern const AP_HAL::HAL& hal;