diff --git a/ArduSub/wscript b/ArduSub/wscript
index dd3503fd52..bd2f8064bf 100644
--- a/ArduSub/wscript
+++ b/ArduSub/wscript
@@ -18,6 +18,7 @@ def build(bld):
             'AP_Frsky_Telem',
             'AP_IRLock',
             'AP_InertialNav',
+            'AP_JButtonMapper',
             'AP_LandingGear',
             'AP_Menu',
             'AP_Motors',