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-rw-r--r--newgrf_engine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/newgrf_engine.c b/newgrf_engine.c
index 90b7f1e82..8413770d5 100644
--- a/newgrf_engine.c
+++ b/newgrf_engine.c
@@ -553,7 +553,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
case 0x43: return _current_player; /* Owner information */
case 0x46: return 0; /* Motion counter */
case 0x48: return GetVehicleTypeInfo(object->u.vehicle.self_type); /* Vehicle Type Info */
- case 0xC4: return clamp(_cur_year, BASE_YEAR, MAX_YEAR) - BASE_YEAR; /* Build year */
+ case 0xC4: return clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR; /* Build year */
case 0xDA: return INVALID_VEHICLE; /* Next vehicle */
case 0x7F: return GetGRFParameter(object->u.vehicle.self_type, parameter); /* Read GRF parameter */
}