--- a/src/ai/api/ai_stationlist.hpp.sq	Thu Jul 19 17:13:38 2007 +0000
+++ b/src/ai/api/ai_stationlist.hpp.sq	Thu Jul 19 19:42:54 2007 +0000
@@ -6,7 +6,7 @@
 	template <> AIStationList &GetParam(ForceType<AIStationList &>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIStationList *)instance; }
 	template <> const AIStationList *GetParam(ForceType<const AIStationList *>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIStationList *)instance; }
 	template <> const AIStationList &GetParam(ForceType<const AIStationList &>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIStationList *)instance; }
-	template <> int Return<AIStationList *>(HSQUIRRELVM vm, AIStationList *res) { res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIStationList", res, NULL, DefSQDestructorCallback<AIStationList>); return 1; }
+	template <> int Return<AIStationList *>(HSQUIRRELVM vm, AIStationList *res) { if (res == NULL) { sq_pushnull(vm); return 1; } res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIStationList", res, NULL, DefSQDestructorCallback<AIStationList>); return 1; }
 }; // namespace SQConvert
 
 void SQAIStationListRegister(Squirrel *engine) {
@@ -25,7 +25,7 @@
 	template <> AIVehicleStationList &GetParam(ForceType<AIVehicleStationList &>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIVehicleStationList *)instance; }
 	template <> const AIVehicleStationList *GetParam(ForceType<const AIVehicleStationList *>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIVehicleStationList *)instance; }
 	template <> const AIVehicleStationList &GetParam(ForceType<const AIVehicleStationList &>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIVehicleStationList *)instance; }
-	template <> int Return<AIVehicleStationList *>(HSQUIRRELVM vm, AIVehicleStationList *res) { res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIVehicleStationList", res, NULL, DefSQDestructorCallback<AIVehicleStationList>); return 1; }
+	template <> int Return<AIVehicleStationList *>(HSQUIRRELVM vm, AIVehicleStationList *res) { if (res == NULL) { sq_pushnull(vm); return 1; } res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIVehicleStationList", res, NULL, DefSQDestructorCallback<AIVehicleStationList>); return 1; }
 }; // namespace SQConvert
 
 void SQAIVehicleStationListRegister(Squirrel *engine) {