+#ifndef VEHICLES_H
+#define VEHICLES_H
+
#ifdef VEHICLES_ENABLED
#include "vehicles.qc"
#include "racer.qc"
#include "spiderbot.qc"
#include "raptor.qc"
-#ifdef VEHICLES_UNSTABLE
+#ifndef VEHICLES_NO_UNSTABLE
#include "bumblebee.qc"
#endif
#endif
+#endif