diff --git a/mods/recipes/init.ts b/mods/recipes/init.ts
index 975c83f4..bc9452ce 100644
--- a/mods/recipes/init.ts
+++ b/mods/recipes/init.ts
@@ -121,7 +121,7 @@ namespace recipes {
     {
       output: "workbench",
       recipe: [
-        ["group:wood","group:wood"],
+        ["group:planks","group:wood"],
         ["group:wood","group:wood"]
       ]
     }
diff --git a/mods/types/init.ts b/mods/types/init.ts
index 81af7439..0d38f5d6 100644
--- a/mods/types/init.ts
+++ b/mods/types/init.ts
@@ -30,5 +30,7 @@ namespace types {
     metal = "group:metal",
     glass = "group:glass",
     wool = "group:wool",
+    planks = "group:planks",
+    tree = "group:tree"
   }
 }
\ No newline at end of file