diff --git a/technic_worldgen/oregen.lua b/technic_worldgen/oregen.lua
index 795f0ec..064e259 100644
--- a/technic_worldgen/oregen.lua
+++ b/technic_worldgen/oregen.lua
@@ -119,7 +119,8 @@ minetest.register_ore({
 
 -- Sulfur
 minetest.register_on_generated(function(minp, maxp, seed)
-	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
+	local vm = minetest.get_voxel_manip()
+	local emin, emax = vm:read_from_map(minp, maxp)
 	local a = VoxelArea:new{
 		MinEdge = {x = emin.x, y = emin.y, z = emin.z},
 		MaxEdge = {x = emax.x, y = emax.y, z = emax.z},