diff --git a/libraries/GCS_MAVLink/GCS_Common.cpp b/libraries/GCS_MAVLink/GCS_Common.cpp
index 2dd7a96010..2cfcfb98e5 100644
--- a/libraries/GCS_MAVLink/GCS_Common.cpp
+++ b/libraries/GCS_MAVLink/GCS_Common.cpp
@@ -48,6 +48,7 @@
 #include <AP_Winch/AP_Winch.h>
 #include <AP_OSD/AP_OSD.h>
 #include <AP_RCTelemetry/AP_CRSF_Telem.h>
+#include <AP_RPM/AP_RPM.h>
 #include <AP_AIS/AP_AIS.h>
 #include <AP_Filesystem/AP_Filesystem.h>
 #include <AP_Frsky_Telem/AP_Frsky_Telem.h>