diff --git a/squirrelbattle/interfaces.py b/squirrelbattle/interfaces.py
index ea39cac..80be06b 100644
--- a/squirrelbattle/interfaces.py
+++ b/squirrelbattle/interfaces.py
@@ -431,7 +431,7 @@ class Tile(Enum):
         """
         Is this Tile a wall?
         """
-        return self == Tile.WALL
+        return self == Tile.WALL or self == Tile.DOOR
 
     def is_ladder(self) -> bool:
         """