diff --git a/dirt.lua b/dirt.lua
index 62792a5..3d5fa8e 100644
--- a/dirt.lua
+++ b/dirt.lua
@@ -73,7 +73,7 @@ minetest.register_abm({
 		local count_grasses = {}
 		local curr_max  = 0
 		local curr_type = "ethereal:green_dirt" -- fallback
-		local positions = minetest.find_nodes_in_area(
+		local positions = minetest.find_nodes_in_area_under_air(
 			{x = (pos.x - 2), y = (pos.y - 1), z = (pos.z - 2)},
 			{x = (pos.x + 2), y = (pos.y + 1), z = (pos.z + 2)},
 			"group:ethereal_grass")
diff --git a/extra.lua b/extra.lua
index 9f118a5..41d304d 100644
--- a/extra.lua
+++ b/extra.lua
@@ -308,7 +308,7 @@ minetest.register_on_generated(function(minp, maxp)
 		return
 	end
 	local bpos
-	for key, pos in pairs(minetest.find_nodes_in_area(minp, maxp, "default:stone_with_coal")) do
+	for key, pos in pairs(minetest.find_nodes_in_area_under_air(minp, maxp, "default:stone_with_coal")) do
 		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
diff --git a/flowers.lua b/flowers.lua
index 36da2e1..be1d854 100644
--- a/flowers.lua
+++ b/flowers.lua
@@ -16,10 +16,10 @@ minetest.register_abm({
 		local pos0 = {x = pos.x - 4, y = pos.y - 2, z = pos.z - 4}
 		local pos1 = {x = pos.x + 4, y = pos.y + 2, z = pos.z + 4}
 
-		if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
+		if #minetest.find_nodes_in_area_under_air(pos0, pos1, "group:flora") > 3 then
 
-			local grass = minetest.find_nodes_in_area(pos0, pos1, {"ethereal:crystalgrass"})
-			local crystal = minetest.find_nodes_in_area(pos0, pos1, {"ethereal:crystal_spike"})
+			local grass = minetest.find_nodes_in_area_under_air(pos0, pos1, {"ethereal:crystalgrass"})
+			local crystal = minetest.find_nodes_in_area_under_air(pos0, pos1, {"ethereal:crystal_spike"})
 
 			if #grass > 6 and #crystal < 1 then
 				grass = grass[math.random(#grass)]
@@ -33,7 +33,7 @@ minetest.register_abm({
 			return
 		end
 
-		local seedling = minetest.find_nodes_in_area(pos0, pos1, {"group:soil"})
+		local seedling = minetest.find_nodes_in_area_under_air(pos0, pos1, {"group:soil"})
 
 		if #seedling > 0 then
 			seedling = seedling[math.random(#seedling)]
diff --git a/water.lua b/water.lua
index 3b0ba81..27325a1 100644
--- a/water.lua
+++ b/water.lua
@@ -62,7 +62,7 @@ minetest.register_abm({
 	chance = 4,
 	catch_up = false,
 	action = function(pos, node)
-		local water = minetest.find_nodes_in_area(
+		local water = minetest.find_nodes_in_area_under_air(
 			{x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
 			{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
 			{"default:water_source", "default:river_water_source"})