diff --git a/init.lua b/init.lua
index fec963c..2641dc8 100755
--- a/init.lua
+++ b/init.lua
@@ -55,7 +55,8 @@ minetest.register_node(mod_name .. ":contraption_wood", {
 nodecore.register_craft({
     label = "assemble wooden contraption",
     action = "pummel",
-    toolgroups = { scratchy = 3 },
+    priority = 1,
+    toolgroups = { thumpy = 3 },
     indexkeys = { i_frame },
     nodes = { { match = i_frame } },
     check = function(pos, data)