diff --git a/game/screens/game_screens.py b/game/screens/game_screens.py
index 238dc6f..5144aea 100644
--- a/game/screens/game_screens.py
+++ b/game/screens/game_screens.py
@@ -40,7 +40,7 @@ class MainScreen(Screen):
             case tcod.event.KeyDown(sym=sym) if sym in DIRECTION_KEYS:
                 new_pos = player.components[Position] + DIRECTION_KEYS[sym]
                 map_pos = world_pos_to_map_pos(new_pos)
-                if not map.walkable[map_pos.y][map_pos.x]:
+                if not map.walkable[map_pos.y, map_pos.x]:
                     return None
                 player.components[Position] = new_pos
                 cam_map = world_pos_to_map_pos(new_pos)
@@ -76,7 +76,7 @@ class MainScreen(Screen):
             map_pos = world_pos_to_map_pos(e_pos)
             if (-w <= screen_pos.x < w\
                 and -h <= screen_pos.y < h):
-                if map.fov[map_pos.y][map_pos.x]:
+                if map.fov[map_pos.y, map_pos.x]:
                     graphic = e_graph
                 else:
                     graphic = Graphic(0x2591, (50, 50, 50))