@@ -692,7 +692,7 @@ void EnginesMonthlyLoop()
Engine *e;
FOR_ALL_ENGINES(e) {
/* Age the vehicle */
if (e->flags & ENGINE_AVAILABLE && e->age != 0xFFFF) {
if ((e->flags & ENGINE_AVAILABLE) && e->age != 0xFFFF) {
e->age++;
CalcEngineReliability(e);
}