diff --git a/ArduPlane/GCS_Mavlink.pde b/ArduPlane/GCS_Mavlink.pde
index 025349c78f..b7bc3b4a03 100644
--- a/ArduPlane/GCS_Mavlink.pde
+++ b/ArduPlane/GCS_Mavlink.pde
@@ -1825,7 +1825,9 @@ mission_failed:
                 mav_var_type(var_type),
                 _count_parameters(),
                 -1);     // XXX we don't actually know what its index is...
+#if LOGGING_ENABLED == ENABLED
             DataFlash.Log_Write_Parameter(key, vp->cast_to_float(var_type));
+#endif
         }
 
         break;