diff --git a/mods/moonrealm/init.lua b/mods/moonrealm/init.lua
index ded9ffe5..143641ac 100644
--- a/mods/moonrealm/init.lua
+++ b/mods/moonrealm/init.lua
@@ -15,8 +15,8 @@ local ZMIN = -33000
 local ZMAX = 33000
 
 local YMIN = -33000 --  -- Approx lower limit
-local GRADCEN = 1 --  -- Gradient centre / terrain centre average level
-local YMAX = 150 --  -- Approx upper limit
+local GRADCEN = 15 --  -- Gradient centre / terrain centre average level
+local YMAX = 0 --  -- Approx upper limit
 
 local FOOT = true --  -- Footprints in dust
 local CENAMP = 64 --  -- Grad centre amplitude, terrain centre is varied by this
@@ -309,4 +309,4 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	vm:write_to_map(data)
 	local chugent = math.ceil((os.clock() - t1) * 1000)
 	print ("[moonrealm] "..chugent.." ms")
-end)
\ No newline at end of file
+end)