diff --git a/init.lua b/init.lua
index 99fe84f..6b1f7e8 100644
--- a/init.lua
+++ b/init.lua
@@ -28,8 +28,8 @@ minetest.register_ore({
     clust_scarcity = 10*10*10,
     clust_num_ores = 6,
     clust_size     = 5,
-    height_min     = -31000,
-    height_max     = -5,
+    y_min     = -31000,
+    y_max     = -5,
 })
 
 --Quartz Block