diff --git a/basic_machines/grinder.lua b/basic_machines/grinder.lua
index 55306fd..ec8e117 100644
--- a/basic_machines/grinder.lua
+++ b/basic_machines/grinder.lua
@@ -328,10 +328,10 @@ register_dust("tin","default:tin_lump","default:tin_ingot",4,8,"9F","9F","9F")
 register_dust("gold","default:gold_lump","default:gold_ingot",6,25,"FF","FF","00")
 
 --  grinding ingots gives dust too
-basic_machines.grinder_recipes["default:steel_ingot"] = {4,"basic_machines:iron_dust_33 2",1};
-basic_machines.grinder_recipes["default:copper_ingot"] = {4,"basic_machines:copper_dust_33 2",1};
-basic_machines.grinder_recipes["default:gold_ingot"] = {6,"basic_machines:gold_dust_33 2",1};
-basic_machines.grinder_recipes["default:tin_ingot"] = {4,"basic_machines:tin_dust_33 2",1};
+basic_machines.grinder_recipes["default:steel_ingot"] = {4,"basic_machines:iron_dust 2",1};
+basic_machines.grinder_recipes["default:copper_ingot"] = {4,"basic_machines:copper_dust 2",1};
+basic_machines.grinder_recipes["default:gold_ingot"] = {6,"basic_machines:gold_dust 2",1};
+basic_machines.grinder_recipes["default:tin_ingot"] = {4,"basic_machines:tin_dust 2",1};
 
 -- are moreores (tin, silver, mithril) present?
 
@@ -340,9 +340,9 @@ local table = minetest.registered_items["moreores:tin_lump"]; if table then
 	register_dust("silver","moreores:silver_lump","moreores:silver_ingot",5,15,"BB","BB","BB")
 	register_dust("mithril","moreores:mithril_lump","moreores:mithril_ingot",16,750,"00","00","FF")
 	
-	basic_machines.grinder_recipes["moreores:tin_ingot"] = {4,"basic_machines:tin_dust_33 2",1};
-	basic_machines.grinder_recipes["moreores:silver_ingot"] = {5,"basic_machines:silver_dust_33 2",1};
-	basic_machines.grinder_recipes["moreores:mithril_ingot"] = {16,"basic_machines:mithril_dust_33 2",1};
+	basic_machines.grinder_recipes["moreores:tin_ingot"] = {4,"basic_machines:tin_dust 2",1};
+	basic_machines.grinder_recipes["moreores:silver_ingot"] = {5,"basic_machines:silver_dust 2",1};
+	basic_machines.grinder_recipes["moreores:mithril_ingot"] = {16,"basic_machines:mithril_dust 2",1};
 end