diff --git a/src/c3nav/mapdata/packageio/const.py b/src/c3nav/mapdata/packageio/const.py
index f65b78e6..144a88da 100644
--- a/src/c3nav/mapdata/packageio/const.py
+++ b/src/c3nav/mapdata/packageio/const.py
@@ -1,6 +1,7 @@
 from c3nav.mapdata.models import Level, Package, Source
 from c3nav.mapdata.models.collections import Elevator
-from c3nav.mapdata.models.geometry import Building, Door, ElevatorLevel, Hole, LevelConnector, Obstacle, Outside, Room
+from c3nav.mapdata.models.geometry import (Building, Door, ElevatorLevel, Hole, LevelConnector, LineObstacle, Obstacle,
+                                           Outside, Room, Stair)
 
 ordered_models = (Package, Level, LevelConnector, Source, Building, Room, Outside, Door, Obstacle, Hole)
-ordered_models += (Elevator, ElevatorLevel)
+ordered_models += (Elevator, ElevatorLevel, LineObstacle, Stair)