diff --git a/technic/grinder.lua b/technic/grinder.lua
index 13fcfc3..851352b 100644
--- a/technic/grinder.lua
+++ b/technic/grinder.lua
@@ -23,9 +23,11 @@ register_grinder_recipe("default:desert_stone","default:desert_sand")
 register_grinder_recipe("default:iron_lump","technic:iron_dust 2") 
 register_grinder_recipe("default:coal_lump","technic:coal_dust 2") 
 register_grinder_recipe("moreores:copper_lump","technic:copper_dust 2")
+register_grinder_recipe("default:copper_lump","technic:copper_dust 2")
 register_grinder_recipe("moreores:tin_lump","technic:tin_dust 2") 
 register_grinder_recipe("moreores:silver_lump","technic:silver_dust 2")
 register_grinder_recipe("moreores:gold_lump","technic:gold_dust 2") 
+register_grinder_recipe("default:gold_lump","technic:gold_dust 2") 
 register_grinder_recipe("moreores:mithril_lump","technic:mithril_dust 2") 
 register_grinder_recipe("technic:chromium_lump","technic:chromium_dust 2") 
 register_grinder_recipe("technic:zinc_lump","technic:zinc_dust 2") 
diff --git a/technic/tool_workshop.lua b/technic/tool_workshop.lua
index cf39c56..1174633 100644
--- a/technic/tool_workshop.lua
+++ b/technic/tool_workshop.lua
@@ -3,7 +3,7 @@ minetest.register_craft({
 	output = 'technic:tool_workshop',
 	recipe = {
 		{'default:wood', 'default:wood', 'default:wood'},
-		{'default:wood', 'technic:diamond', 'default:wood'},
+		{'default:wood', 'default:diamond', 'default:wood'},
 		{'default:stone', 'moreores:copper_ingot', 'default:stone'},
 	}
 })