diff --git a/nether-compressor-recipe.lua b/nether-compressor-recipe.lua
index 96b0681..53b90eb 100644
--- a/nether-compressor-recipe.lua
+++ b/nether-compressor-recipe.lua
@@ -14,6 +14,36 @@ local recipes = {
 	{"nether:brick_compressed 9",      "nether:nether_lump", 12}
 
 }
+-- clear craft recipe
+minetest.clear_craft({
+	recipe = {
+		{"nether:rack", "nether:rack"},
+		{"nether:rack", "nether:rack"},
+	}
+})
+
+minetest.clear_craft({
+	recipe = {
+		{"nether:brick","nether:brick","nether:brick"},
+		{"nether:brick","nether:brick","nether:brick"},
+		{"nether:brick","nether:brick","nether:brick"},
+	}
+})
+
+minetest.clear_craft({
+	recipe = {
+		{"nether:rack_deep", "nether:rack_deep"},
+		{"nether:rack_deep", "nether:rack_deep"}
+	}
+})
+
+minetest.clear_craft({
+	recipe = {
+		{"nether:brick_compressed","nether:brick_compressed","nether:brick_compressed"},
+		{"nether:brick_compressed","nether:brick_compressed","nether:brick_compressed"},
+		{"nether:brick_compressed","nether:brick_compressed","nether:brick_compressed"},
+	}
+})
 
 for _, data in pairs(recipes) do
 	technic.register_compressor_recipe({input = {data[1]}, output = data[2], time = data[3]})