diff --git a/data/gfx/tiles.gif b/data/gfx/tiles.gif
index 35af407..cc12712 100644
Binary files a/data/gfx/tiles.gif and b/data/gfx/tiles.gif differ
diff --git a/data/maps/rooms_background.gif b/data/maps/rooms_background.gif
index 4e4c38f..8ac0b1a 100644
Binary files a/data/maps/rooms_background.gif and b/data/maps/rooms_background.gif differ
diff --git a/data/maps/rooms_foreground.gif b/data/maps/rooms_foreground.gif
index 69150bd..b63b151 100644
Binary files a/data/maps/rooms_foreground.gif and b/data/maps/rooms_foreground.gif differ
diff --git a/data/maps/rooms_items.gif b/data/maps/rooms_items.gif
index 5bf26d9..0050584 100644
Binary files a/data/maps/rooms_items.gif and b/data/maps/rooms_items.gif differ
diff --git a/data/modules/ia/hero.lua b/data/modules/ia/hero.lua
index 9484424..56c051a 100644
--- a/data/modules/ia/hero.lua
+++ b/data/modules/ia/hero.lua
@@ -94,7 +94,7 @@ function ia.update_hero()
         local tx1, tx2, ty = (sprites.hero.pos.x+4)>>3, (sprites.hero.pos.x+11)>>3, (sprites.hero.pos.y)>>3
         --draw.rect(tx1<<3,ty<<3,8,8,8)
         --draw.rect(tx2<<3,ty<<3,8,8,28)
-        if map.tile(tx1,ty) == 0 and map.tile(tx2,ty) == 0 then
+        if map.tile(tx1,ty) < 16 and map.tile(tx2,ty) < 16 then
             --if ty+1<rooms.pos.y then
             --    game.change_room(0,-1)
             --else