diff --git a/ArduPlane/make.inc b/ArduPlane/make.inc
index 167bfd813d..883edfc478 100644
--- a/ArduPlane/make.inc
+++ b/ArduPlane/make.inc
@@ -57,4 +57,5 @@ LIBRARIES += AP_InertialNav
 LIBRARIES += AC_WPNav
 LIBRARIES += AC_Fence
 LIBRARIES += AC_Avoidance
+LIBRARIES += AP_Proximity
 LIBRARIES += AP_Tuning
diff --git a/ArduPlane/wscript b/ArduPlane/wscript
index 62730d2e1f..05b47605fd 100644
--- a/ArduPlane/wscript
+++ b/ArduPlane/wscript
@@ -29,7 +29,8 @@ def build(bld):
             'AP_Motors',
             'AC_PID',
             'AC_Fence',
-            'AC_Avoidance'
+            'AC_Avoidance',
+            'AP_Proximity'
         ],
     )