diff --git a/src/c3nav/mapdata/render/renderer.py b/src/c3nav/mapdata/render/renderer.py
index da8c0c42..3b26dfe4 100644
--- a/src/c3nav/mapdata/render/renderer.py
+++ b/src/c3nav/mapdata/render/renderer.py
@@ -115,7 +115,7 @@ class MapRenderer:
 
             for short_wall in geoms.short_walls:
                 engine.add_geometry(short_wall.filter(bottom=not not_full_levels),
-                                    height=geoms.default_height, fill=FillAttribs('#aaaaaa'), category='walls')
+                                    fill=FillAttribs('#aaaaaa'), category='walls')
 
             if walls_extended:
                 engine.add_geometry(geoms.walls_extended, fill=FillAttribs('#aaaaaa'), category='walls')