summaryrefslogtreecommitdiff
path: root/newgrf_engine.c
diff options
context:
space:
mode:
Diffstat (limited to 'newgrf_engine.c')
-rw-r--r--newgrf_engine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/newgrf_engine.c b/newgrf_engine.c
index feb037f67..0c46cd548 100644
--- a/newgrf_engine.c
+++ b/newgrf_engine.c
@@ -850,7 +850,7 @@ SpriteID GetRotorOverrideSprite(EngineID engine, const Vehicle *v)
assert(engine < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES);
/* Only valid for helicopters */
- assert((AircraftVehInfo(engine)->subtype & 1) == 0);
+ assert(!(AircraftVehInfo(engine)->subtype & AIR_CTOL));
NewVehicleResolver(&object, v);