diff --git a/building_blocks/init.lua b/building_blocks/init.lua
index a625696b..17af96d6 100644
--- a/building_blocks/init.lua
+++ b/building_blocks/init.lua
@@ -1,14 +1,14 @@
 
 local S = homedecor_i18n.gettext
 
-minetest.register_node("building_blocks:Adobe", {
+minetest.register_node("building_blocks:adobe", {
 	tiles = {"building_blocks_Adobe.png"},
 	description = S("Adobe"),
 	is_ground_content = true,
 	groups = {crumbly=3},
 	sounds = default.node_sound_stone_defaults(),
 })
-minetest.register_node("building_blocks:Roofing", {
+minetest.register_node("building_blocks:roofing", {
 	tiles = {"building_blocks_Roofing.png"},
 	is_ground_content = true,
 	description = S("Roof block"),
@@ -45,7 +45,7 @@ minetest.register_craft({
 	}
 })
 minetest.register_craft({
-	output = 'building_blocks:Adobe 3',
+	output = 'building_blocks:adobe 3',
 	recipe = {
 		{"default:sand"},
 		{"default:clay"},
@@ -54,10 +54,10 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = 'building_blocks:Roofing 10',
+	output = 'building_blocks:roofing 10',
 	recipe = {
-		{"building_blocks:Adobe", "building_blocks:Adobe"},
-		{"building_blocks:Adobe", "building_blocks:Adobe"},
+		{"building_blocks:adobe", "building_blocks:adobe"},
+		{"building_blocks:adobe", "building_blocks:adobe"},
 	}
 })
 minetest.register_craft({
@@ -347,7 +347,7 @@ if minetest.get_modpath("moreblocks") then
 
 	end
 	minetest.unregister_item("moreblocks:tar")
-	minetest.register_alias("moreblocks:tar", "building_blocks:Tar")
+	minetest.register_alias("moreblocks:tar", "building_blocks:tar")
 
 	stairsplus:register_all(
 		"building_blocks",
@@ -549,24 +549,29 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_alias("tar", "building_blocks:Tar")
+minetest.register_alias("tar", "building_blocks:tar")
 minetest.register_alias("fakegrass", "building_blocks:fakegrass")
 minetest.register_alias("tar_knife", "building_blocks:knife")
-minetest.register_alias("adobe", "building_blocks:Adobe")
-minetest.register_alias("building_blocks_roofing", "building_blocks:Roofing")
+minetest.register_alias("adobe", "building_blocks:adobe")
+minetest.register_alias("building_blocks_roofing", "building_blocks:roofing")
 minetest.register_alias("hardwood", "building_blocks:hardwood")
 minetest.register_alias("sticks", "building_blocks:sticks")
 minetest.register_alias("building_blocks:faggot", "building_blocks:sticks")
-minetest.register_alias("marble", "building_blocks:Marble")
+minetest.register_alias("marble", "building_blocks:marble")
 
-minetest.register_node("building_blocks:Tar", {
+minetest.register_alias("building_blocks:Adobe", "building_blocks:adobe")
+minetest.register_alias("building_blocks:Roofing", "building_blocks:roofing")
+minetest.register_alias("building_blocks:Tar", "building_blocks:tar")
+minetest.register_alias("building_blocks:Marble", "building_blocks:marble")
+
+minetest.register_node("building_blocks:tar", {
 	description = S("Tar"),
 	tiles = {"building_blocks_tar.png"},
 	is_ground_content = true,
 	groups = {crumbly=1, tar_block = 1},
 	sounds = default.node_sound_stone_defaults(),
 })
-minetest.register_node("building_blocks:Marble", {
+minetest.register_node("building_blocks:marble", {
 	description = S("Marble"),
 	tiles = {"building_blocks_marble.png"},
 	is_ground_content = true,
@@ -580,13 +585,13 @@ minetest.register_craft({
 })
 minetest.register_craft({
 	type = "fuel",
-	recipe = "building_blocks:Tar",
+	recipe = "building_blocks:tar",
 	burntime = 40,
 })
 
 minetest.register_craft({
 	type = "cooking",
-	output = "building_blocks:Tar",
+	output = "building_blocks:tar",
 	recipe = "building_blocks:tar_base",
 })
 
@@ -603,7 +608,7 @@ minetest.register_tool("building_blocks:knife", {
 })
 
 minetest.register_craft({
-	output = "building_blocks:Marble 9",
+	output = "building_blocks:marble 9",
 	recipe = {
 		{"default:clay", "group:tar_block", "default:clay"},
 		{"group:tar_block","default:clay", "group:tar_block"},