diff --git a/extra.lua b/extra.lua
index c176864f8db23237a2508b34a139ece5748fe5ce..9f118a57a1e5296ce71bb11a796453cc53618f23 100644
--- a/extra.lua
+++ b/extra.lua
@@ -283,7 +283,7 @@ minetest.register_tool("ethereal:light_staff", {
 		if node then node = node.name else return end
 
 		if node == "default:stone" then
-			minetest.add_node(pos, {name="ethereal:glostone"})
+			minetest.set_node(pos, {name="ethereal:glostone"})
 			if not minetest.setting_getbool("creative_mode") then
 				itemstack:add_wear(65535 / 149) -- 150 uses
 			end
@@ -312,11 +312,11 @@ minetest.register_on_generated(function(minp, maxp)
 		bpos = {x = pos.x, y = pos.y + 1, z = pos.z }
 		if minetest.get_node(bpos).name == "air" then
 			if bpos.y > -3000 and bpos.y < -2000 then
-				minetest.add_node(bpos, {name = "ethereal:illumishroom3"})
+				minetest.set_node(bpos, {name = "ethereal:illumishroom3"})
 			elseif bpos.y > -2000 and bpos.y < -1000 then
-				minetest.add_node(bpos, {name = "ethereal:illumishroom2"})
+				minetest.set_node(bpos, {name = "ethereal:illumishroom2"})
 			elseif bpos.y > -1000 and bpos.y < -30 then
-				minetest.add_node(bpos, {name = "ethereal:illumishroom"})
+				minetest.set_node(bpos, {name = "ethereal:illumishroom"})
 			end
 		end
 	end
diff --git a/water.lua b/water.lua
index 10312e7c8edec07c39bd9adc3c4152491a8e634c..aff3a565f2c99e4d213b1ca4ca4657d064427502 100644
--- a/water.lua
+++ b/water.lua
@@ -46,7 +46,7 @@ minetest.register_abm({
 	interval = 30,
 	chance = 10,
 	action = function(pos, node)
-		minetest.add_node(pos, {name = "default:mossycobble"})
+		minetest.set_node(pos, {name = "default:mossycobble"})
 	end
 })
 
@@ -87,11 +87,11 @@ minetest.register_abm({
 		or node.name == "default:snowblock"
 		or node.name == "ethereal:icebrick"
 		or node.name == "ethereal:snowbrick" then
-			minetest.add_node(pos, {name = "default:water_source"})
+			minetest.set_node(pos, {name = "default:water_source"})
 		elseif node.name == "default:snow" then
-			minetest.add_node(pos, {name = "default:water_flowing"})
+			minetest.set_node(pos, {name = "default:water_flowing"})
 		elseif node.name == "default:dirt_with_snow" then
-			minetest.add_node(pos, {name = "default:dirt_with_grass"})
+			minetest.set_node(pos, {name = "default:dirt_with_grass"})
 		end
 		nodeupdate(pos)
 	end,
@@ -104,7 +104,7 @@ minetest.register_abm({
 	interval = 15,
 	chance = 2,
 	action = function(pos, node, active_object_count, active_object_count_wider)
-		minetest.add_node(pos, {name = "default:dirt"})
+		minetest.set_node(pos, {name = "default:dirt"})
 	end,
 })