diff --git a/autocrafter.lua b/autocrafter.lua
index 7ddc312..2ce80a7 100644
--- a/autocrafter.lua
+++ b/autocrafter.lua
@@ -66,8 +66,11 @@ local function run_autocrafter(pos, elapsed)
 	local inventory = meta:get_inventory()
 	local craft = get_craft(pos, inventory)
 	local output_item = craft.output.item
+	-- NALC: existence de limitgroup ?
+	local limitcraft = minetest.get_item_group(output_item:get_name(), "limitcraft") or 0
 	-- only use crafts that have an actual result
-	if output_item:is_empty() then
+	-- NALC: ou si l'item n'est pas dans le group limitcraft
+	if output_item:is_empty() or limitcraft > 0 then
 		meta:set_string("infotext", "unconfigured Autocrafter: unknown recipe")
 		return false
 	end