diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index 0d3fd23f..dfa9464d 100644
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -651,8 +651,8 @@ doors.register_trapdoor("doors:trapdoor_steel", {
 minetest.register_craft({
 	output = 'doors:trapdoor 2',
 	recipe = {
-		{'group:wood', 'group:wood', 'group:wood'},
-		{'group:wood', 'group:wood', 'group:wood'},
+		{'group:wood', 'group:wood', ''},
+		{'group:wood', 'group:wood', ''},
 		{'', '', ''},
 	}
 })