diff --git a/misc.lua b/misc.lua
index f323956..5634a47 100644
--- a/misc.lua
+++ b/misc.lua
@@ -73,7 +73,7 @@ on_rightclick = function(pos, node, player, itemstack, pointed_thing)
 minetest.register_node("mesetec:dmg", {
 	description = "Mese damage block",
 	tiles = {"mesetec_trap.png^[colorize:#f9570001"},
-	alpha=1,
+	use_texture_alpha = "blend",
 	inventory_image = "lava.png^mesetec_trap2.png",
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=0},
 		is_ground_content = false,
@@ -93,7 +93,7 @@ minetest.register_node("mesetec:dmg2", {
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=1},
 	is_ground_content = false,
 	drawtype="glasslike",
-	alpha=0,
+	use_texture_alpha = "opaque",
 	pointable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -109,7 +109,7 @@ minetest.register_node("mesetec:dmg2", {
 minetest.register_node("mesetec:oxygen", {
 	description = "Mese oxygen block",
 	tiles = {"mesetec_trap.png^[colorize:#00a5a201"},
-	alpha=1,
+	use_texture_alpha = "blend",
 	inventory_image = "river_water.png^mesetec_trap2.png",
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=0},
 		is_ground_content = false,
@@ -129,7 +129,7 @@ minetest.register_node("mesetec:oxygen2", {
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=1},
 	is_ground_content = false,
 	drawtype="glasslike",
-	alpha=1,
+	use_texture_alpha = "blend",
 	pointable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
@@ -145,7 +145,7 @@ minetest.register_node("mesetec:oxygen2", {
 minetest.register_node("mesetec:ladder", {
 	description = "Mese ladder block",
 	tiles = {"mesetec_trap.png^[colorize:#87878701"},
-	alpha=1,
+	use_texture_alpha = "blend",
 	inventory_image = "ladder_wood.png^mesetec_trap2.png",
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=0},
 		is_ground_content = false,
@@ -165,7 +165,7 @@ minetest.register_node("mesetec:ladder2", {
 	groups = {mesecon=2,snappy = 3, not_in_creative_inventory=1},
 	is_ground_content = false,
 	drawtype="glasslike",
-	alpha=1,
+	use_texture_alpha = "blend",
 	pointable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
diff --git a/teleob.lua b/teleob.lua
index ba4f6b6..7bc4d39 100644
--- a/teleob.lua
+++ b/teleob.lua
@@ -295,7 +295,7 @@ minetest.register_node("mesetec:ptptarget", {
 	}},
 	drawtype = "nodebox",
 	paramtype = "light",
-	alpha = 210,
+	use_texture_alpha = "blend",
 	node_box = {
 		type = "fixed",
 		fixed = {