diff --git a/sw/tools/gen_aircraft.ml b/sw/tools/gen_aircraft.ml
index 5c8df15422..c899f5aa2e 100644
--- a/sw/tools/gen_aircraft.ml
+++ b/sw/tools/gen_aircraft.ml
@@ -133,8 +133,12 @@ let dump_module_section = fun xml f ->
   fprintf f "\n# include modules directory for all targets\n";
   (* get dir and target list *)
   let dir_list = get_modules_dir modules in
+(**
   let target_list = union_of_lists (List.map (fun (m,_) -> get_targets_of_module m) modules) in
   List.iter (fun target -> fprintf f "%s.CFLAGS += -I modules -I arch/$(ARCH)/modules\n" target) target_list;
+**)
+  (** include modules directory for ALL targets and not just the defined ones **)
+  fprintf f "$(TARGET).CFLAGS += -I modules -I arch/$(ARCH)/modules\n";
   List.iter (fun dir -> let dir_name = (String.uppercase dir)^"_DIR" in fprintf f "%s = modules/%s\n" dir_name dir) dir_list;
   (* parse each module *)
   List.iter (fun (m, flags) ->