diff --git a/dat/castle.lua b/dat/castle.lua
index 83eaecae6..0a2b7f243 100644
--- a/dat/castle.lua
+++ b/dat/castle.lua
@@ -144,6 +144,7 @@ local loc = place:rndcoord(1);
 des.object({ id = "chest", trapped = 0, locked = 1, coord = loc ,
              contents = function()
                 des.object("wishing");
+                des.object("potion of gain level");
              end
 });
 -- Prevent monsters from eating it.  (@'s never eat objects)