diff --git a/src/vehicle_base.h b/src/vehicle_base.h
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -130,7 +130,7 @@ struct VehicleCache {
 
 /** Sprite sequence for a vehicle part. */
 struct VehicleSpriteSeq {
-	PalSpriteID seq[4];
+	PalSpriteID seq[8];
 	uint count;
 
 	bool operator==(const VehicleSpriteSeq &other) const