diff --git a/api/legacy.lua b/api/legacy.lua
index 83bc7c2..4a83ead 100644
--- a/api/legacy.lua
+++ b/api/legacy.lua
@@ -3,3 +3,8 @@ cottages.handmill_product = {
         cottages.straw.register_quern_craft({input = k, output = v})
     end
 }
+cottages.forbid_repair = {
+    __newindex = function(t, k, v)
+        cottages.anvil.make_unrepairable(k)
+    end
+}