diff --git a/Tools/ardupilotwaf/ardupilotwaf.py b/Tools/ardupilotwaf/ardupilotwaf.py
index c4bc6a74bc..e7f8f97bab 100644
--- a/Tools/ardupilotwaf/ardupilotwaf.py
+++ b/Tools/ardupilotwaf/ardupilotwaf.py
@@ -63,6 +63,7 @@ COMMON_VEHICLE_DEPENDENT_LIBRARIES = [
     'AP_Relay',
     'AP_ServoRelayEvents',
     'AP_Volz_Protocol',
+    'AP_SBusOut',
 ]
 
 def get_legacy_defines(sketch_name):