diff --git a/deployer.lua b/deployer.lua
index 277ab53..49d556b 100644
--- a/deployer.lua
+++ b/deployer.lua
@@ -81,7 +81,7 @@ end
 minetest.register_craft({
 	output = 'pipeworks:deployer_off 1',
 	recipe = {
-		{'default:wood', 'default:chest','default:wood'},
+		{'group:wood', 'default:chest','group:wood'},
 		{'default:stone', 'mesecons:piston','default:stone'},
 		{'default:stone', 'mesecons:mesecon','default:stone'},
 	}
diff --git a/node_breaker.lua b/node_breaker.lua
index 9cb9091..6310b5c 100644
--- a/node_breaker.lua
+++ b/node_breaker.lua
@@ -8,7 +8,7 @@ minetest.register_alias("technic:node_breaker_on", "pipeworks:nodebreaker_on") -
 minetest.register_craft({
 	output = 'pipeworks:nodebreaker_off 1',
 	recipe = {
-		{'default:wood', 'default:pick_mese','default:wood'},
+		{'group:wood', 'default:pick_mese','group:wood'},
 		{'default:stone', 'mesecons:piston','default:stone'},
 		{'default:stone', 'mesecons:mesecon','default:stone'},
 	}