diff --git a/plants_lib/init.lua b/plants_lib/init.lua
index 0ae642b..18b43c6 100644
--- a/plants_lib/init.lua
+++ b/plants_lib/init.lua
@@ -83,13 +83,14 @@ function plantslib:search_for_surfaces(minp, maxp, biome)
 		for i in ipairs(in_biome_nodes) do
 			local pos = in_biome_nodes[i]
 			local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
-			if minetest.env:find_node_near(p_top, biome.radius + math.random(-1.5,1.5), biome.avoid) == nil
-			  and (biome.ncount == nil or table.getn(minetest.env:find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
-			  and (biome.near_nodes == nil or table.getn(minetest.env:find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-1, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+1, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
-			  then
-				print("Call function: "..biome.exec_funct.."("..dump(pos)..")")
-				minetest.log("verbose", "Call function: "..biome.exec_funct.."("..dump(pos)..")")
-				assert(loadstring(biome.exec_funct.."("..dump(pos)..")"))()
+			if minetest.env:find_node_near(p_top, biome.radius + math.random(-1.5,1.5), biome.avoid) == nil then
+				if (biome.ncount == nil or table.getn(minetest.env:find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
+				    and (biome.near_nodes == nil or table.getn(minetest.env:find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-1, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+1, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
+				    then
+					print("Call function: "..biome.exec_funct.."("..dump(pos)..")")
+					minetest.log("verbose", "Call function: "..biome.exec_funct.."("..dump(pos)..")")
+					assert(loadstring(biome.exec_funct.."("..dump(pos)..")"))()
+				end
 			end
 		end
 	end