diff --git a/mods/wool/init.lua b/mods/wool/init.lua
index 2285ae73a..b9b102aa3 100644
--- a/mods/wool/init.lua
+++ b/mods/wool/init.lua
@@ -68,7 +68,7 @@ for _, row in ipairs(wool.dyes) do
 		})
 		minetest.register_craft({
 			output = 'wool:'..name..'_carpet 3',
-			recipe = {'wool:'..name, 'wool:'..name},
+			recipe = {{'wool:'..name, 'wool:'..name}},
 		})
 	end
 end