diff --git a/mods/CORE/mcl_oxidation/init.lua b/mods/CORE/mcl_oxidation/init.lua
index cd2fff486..69439f6f2 100644
--- a/mods/CORE/mcl_oxidation/init.lua
+++ b/mods/CORE/mcl_oxidation/init.lua
@@ -9,13 +9,13 @@ minetest.register_abm({
 			if def.groups.door == 1 then
 				if node.name:find("_b_") then
 					local top_pos = { x = pos.x, y = pos.y + 1, z = pos.z }
-					minetest.set_node(top_pos, { name = def._mcl_oxidized_variant:gsub("_b_", "_t_"), param2 = node.param2 })
+					minetest.swap_node(top_pos, { name = def._mcl_oxidized_variant:gsub("_b_", "_t_"), param2 = node.param2 })
 				elseif node.name:find("_t_") then
 					local bot_pos = { x = pos.x, y = pos.y - 1, z = pos.z }
-					minetest.set_node(bot_pos, { name = def._mcl_oxidized_variant:gsub("_t_", "_b_"), param2 = node.param2 })
+					minetest.swap_node(bot_pos, { name = def._mcl_oxidized_variant:gsub("_t_", "_b_"), param2 = node.param2 })
 				end
 			end
-			minetest.set_node(pos, { name = def._mcl_oxidized_variant, param2 = node.param2 })
+			minetest.swap_node(pos, { name = def._mcl_oxidized_variant, param2 = node.param2 })
 		end
 	end,
 })
diff --git a/mods/ITEMS/mcl_copper/functions.lua b/mods/ITEMS/mcl_copper/functions.lua
index 8a95df609..5e2b04f77 100644
--- a/mods/ITEMS/mcl_copper/functions.lua
+++ b/mods/ITEMS/mcl_copper/functions.lua
@@ -31,6 +31,16 @@ function mcl_copper.register_oxidation_and_scraping(mod_name, subname, decay_cha
 			minetest.override_item(oxidized_item.."_b_2", {_mcl_stripped_variant = item.."_b_2"})
 			minetest.override_item(item.."_t_2", {_mcl_oxidized_variant = oxidized_item.."_t_2"})
 			minetest.override_item(oxidized_item.."_t_2", {_mcl_stripped_variant = item.."_t_2"})
+
+			minetest.override_item(item.."_b_3", {_mcl_oxidized_variant = oxidized_item.."_b_3"})
+			minetest.override_item(oxidized_item.."_b_3", {_mcl_stripped_variant = item.."_b_3"})
+			minetest.override_item(item.."_t_3", {_mcl_oxidized_variant = oxidized_item.."_t_3"})
+			minetest.override_item(oxidized_item.."_t_3", {_mcl_stripped_variant = item.."_t_3"})
+
+			minetest.override_item(item.."_b_4", {_mcl_oxidized_variant = oxidized_item.."_b_4"})
+			minetest.override_item(oxidized_item.."_b_4", {_mcl_stripped_variant = item.."_b_4"})
+			minetest.override_item(item.."_t_4", {_mcl_oxidized_variant = oxidized_item.."_t_4"})
+			minetest.override_item(oxidized_item.."_t_4", {_mcl_stripped_variant = item.."_t_4"})
 		end
 	end
 end
@@ -68,6 +78,16 @@ function mcl_copper.register_waxing_and_scraping(mod_name, subname, decay_chain)
 			minetest.override_item(unwaxed_item.."_b_2", {_mcl_waxed_variant = waxed_item.."_b_2"})
 			minetest.override_item(waxed_item.."_t_2", {_mcl_stripped_variant = unwaxed_item.."_t_2"})
 			minetest.override_item(unwaxed_item.."_t_2", {_mcl_waxed_variant = waxed_item.."_t_2"})
+
+			minetest.override_item(waxed_item.."_b_3", {_mcl_stripped_variant = unwaxed_item.."_b_3"})
+			minetest.override_item(unwaxed_item.."_b_3", {_mcl_waxed_variant = waxed_item.."_b_3"})
+			minetest.override_item(waxed_item.."_t_3", {_mcl_stripped_variant = unwaxed_item.."_t_3"})
+			minetest.override_item(unwaxed_item.."_t_3", {_mcl_waxed_variant = waxed_item.."_t_3"})
+
+			minetest.override_item(waxed_item.."_b_4", {_mcl_stripped_variant = unwaxed_item.."_b_4"})
+			minetest.override_item(unwaxed_item.."_b_4", {_mcl_waxed_variant = waxed_item.."_b_4"})
+			minetest.override_item(waxed_item.."_t_4", {_mcl_stripped_variant = unwaxed_item.."_t_4"})
+			minetest.override_item(unwaxed_item.."_t_4", {_mcl_waxed_variant = waxed_item.."_t_4"})
 		end
 	end
 end