diff --git a/game/screens/game_screens.py b/game/screens/game_screens.py
index ddea154..5054a4e 100644
--- a/game/screens/game_screens.py
+++ b/game/screens/game_screens.py
@@ -106,8 +106,7 @@ class MainScreen(Screen):
                 ch = 0
                 if not val:
                     ch = VERTICAL_WALL_CHAR
-                    in_doors = Position(x,y+1) in doors
-                    if map.walkable[y+1,x] and not in_doors:
+                    if map.walkable[y+1,x] and not Position(x,y+1) in doors:
                         ch = WALL_CHAR
                 graphic = Graphic(ch)
                 draw(pos, graphic)