diff --git a/init.lua b/init.lua
index b633a22..08bd127 100644
--- a/init.lua
+++ b/init.lua
@@ -60,6 +60,7 @@ end
 register_compressed = function(node, name, level, mod, subordinate)
 	node_groups = {compressed = level}
 	for key, value in pairs(node.groups) do node_groups[key] = value end
+	if node.already_compressed ~= 0 then node.displayname = "Compressed "..node.displayname
 	minetest.register_node(name, {
 		description = node.displayname.." (Level "..level..") (x"..(9^level)..")",
 		tiles = darken_tiles(node.tiles, level-node.already_compressed),
@@ -101,7 +102,7 @@ register_compression = function(mod, node_table)
 			prior_node = node.node
 			subordinate = name or node_name
 			name = "compression:"..mod.."_"..node.node
-			if node.already_compressed then
+			if node.already_compressed ~= 0 then
 				name = name.."_level_"..level
 			else
 				name = name.."_compressed_level_"..level