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-rw-r--r--src/newgrf_engine.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp
index e688c417f..1866af6c4 100644
--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -742,8 +742,8 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
case 0x3F: return v->cargo.DaysInTransit();
case 0x40: return ClampToU16(v->age);
case 0x41: return GB(ClampToU16(v->age), 8, 8);
- case 0x42: return v->max_age;
- case 0x43: return GB(v->max_age, 8, 8);
+ case 0x42: return ClampToU16(v->max_age);
+ case 0x43: return GB(ClampToU16(v->max_age), 8, 8);
case 0x44: return Clamp(v->build_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
case 0x45: return v->unitnumber;
case 0x46: return Engine::Get(v->engine_type)->grf_prop.local_id;