diff --git a/furnace/recipes.lua b/furnace/recipes.lua
index d362992..2ddce70 100644
--- a/furnace/recipes.lua
+++ b/furnace/recipes.lua
@@ -151,10 +151,10 @@ techage.furnace.register_recipe({
 if minetest.global_exists("moreores") then
 
 	if techage.modified_recipes_enabled then
-		-- delete cooking iron lumps into steel ingots
+		-- delete cooking mithril lumps into mithril ingots
 		minetest.clear_craft({
 			type = "cooking",
-			recipe = "default:iron_lump",
+			recipe = "moreores:mithril_lump",
 		})
 		-- delete cooking silver lumps into silver ingots
 		minetest.clear_craft({
diff --git a/iron_age/recipes.lua b/iron_age/recipes.lua
index 0630b8c..9635b22 100644
--- a/iron_age/recipes.lua
+++ b/iron_age/recipes.lua
@@ -145,9 +145,10 @@ if techage.modified_recipes_enabled then
 		output = "default:bronze_ingot",
 		type = "crafting",
 	})
+	-- delete cooking iron lumps into steel ingots
 	minetest.clear_craft({
-		output = "default:steel_ingot",
 		type = "cooking",
+		recipe = "default:iron_lump",
 	})
 	minetest.clear_craft({output = "fire:flint_and_steel"})
 	minetest.clear_craft({output = "bucket:bucket_empty"})