diff --git a/README.txt b/README.txt
old mode 100644
new mode 100755
diff --git a/depends.txt b/depends.txt
old mode 100644
new mode 100755
index 20b7c42..7e882b3
--- a/depends.txt
+++ b/depends.txt
@@ -1 +1 @@
-unified_inventory?
+unified_inventory
diff --git a/description.txt b/description.txt
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new mode 100755
diff --git a/init.lua b/init.lua
old mode 100644
new mode 100755
index e9e4e14..2809673
--- a/init.lua
+++ b/init.lua
@@ -16,7 +16,15 @@ function inventory_icon.get_inventory_state(inv, listname)
 end
 
 function inventory_icon.replace_icon(name)
-	return "inventory_icon_"..name
+	local icon = ""
+	if name:find("small") then
+		icon = "inventory_icon_bags_small.png"
+	elseif name:find("medium") then
+		icon = "inventory_icon_bags_medium.png"
+	elseif name:find("large") then
+		icon = "inventory_icon_bags_large.png"
+	end
+	return icon
 end
 
 minetest.register_on_joinplayer(function(player)
@@ -60,7 +68,7 @@ minetest.register_on_joinplayer(function(player)
 				scale = { x = 1, y = 1 }
 				local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "bag"..i.."contents")
 				text = string.format("%d/%d", occupied, size)
-				icon = inventory_icon.replace_icon(minetest.registered_items[bag:get_name()].inventory_image)
+				icon = inventory_icon.replace_icon(bag:get_name())
 				if occupied >= size then
 					icon = icon .. "^" .. inventory_icon.COLORIZE_STRING
 				end
@@ -91,12 +99,11 @@ minetest.register_on_leaveplayer(function(player)
 	inventory_icon.hudids[player:get_player_name()] = nil
 end)
 
-inventory_icon.timer = 0
-minetest.register_globalstep(function(dtime)
-	inventory_icon.timer = inventory_icon.timer + dtime
-	if inventory_icon.timer > 1 then
-		for playername,hudids in pairs(inventory_icon.hudids) do
-			local player = minetest.get_player_by_name(playername)
+local function tick()
+	minetest.after(1, tick)
+	for playername,hudids in pairs(inventory_icon.hudids) do
+		local player = minetest.get_player_by_name(playername)
+		if player then
 			local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "main")
 			local icon, color
 			if occupied >= size then
@@ -120,7 +127,7 @@ minetest.register_globalstep(function(dtime)
 						scale = { x = 1, y = 1 }
 						local occupied, size = inventory_icon.get_inventory_state(player:get_inventory(), "bag"..i.."contents")
 						text = string.format("%d/%d", occupied, size)
-						icon = inventory_icon.replace_icon(minetest.registered_items[bag:get_name()].inventory_image)
+						icon = inventory_icon.replace_icon(bag:get_name())
 						if occupied >= size then
 							icon = icon .. "^" .. inventory_icon.COLORIZE_STRING
 						end
@@ -133,6 +140,7 @@ minetest.register_globalstep(function(dtime)
 				end
 			end
 		end
-		inventory_icon.timer = 0
 	end
-end)
+end
+
+tick()
diff --git a/textures/inventory_icon_backpack_free.png b/textures/inventory_icon_backpack_free.png
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index 799f712..b58285d
Binary files a/textures/inventory_icon_backpack_free.png and b/textures/inventory_icon_backpack_free.png differ
diff --git a/textures/inventory_icon_backpack_full.png b/textures/inventory_icon_backpack_full.png
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new mode 100755
index 5b7e3cb..d0edb4e
Binary files a/textures/inventory_icon_backpack_full.png and b/textures/inventory_icon_backpack_full.png differ
diff --git a/textures/inventory_icon_bags_large.png b/textures/inventory_icon_bags_large.png
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index 21da733..ebe3d91
Binary files a/textures/inventory_icon_bags_large.png and b/textures/inventory_icon_bags_large.png differ
diff --git a/textures/inventory_icon_bags_medium.png b/textures/inventory_icon_bags_medium.png
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new mode 100755
index 21a08c6..aebd24a
Binary files a/textures/inventory_icon_bags_medium.png and b/textures/inventory_icon_bags_medium.png differ
diff --git a/textures/inventory_icon_bags_small.png b/textures/inventory_icon_bags_small.png
old mode 100644
new mode 100755
index 904d481..fd370d6
Binary files a/textures/inventory_icon_bags_small.png and b/textures/inventory_icon_bags_small.png differ