diff --git a/minecoins.lua b/minecoins.lua
index 1c8f75d..744160b 100644
--- a/minecoins.lua
+++ b/minecoins.lua
@@ -122,7 +122,7 @@ minetest.register_ore({
 	clust_num_ores = 3,
 	clust_size     = 7,
 	height_max     = -512,
-	height_min     = -18000,
+	y_min	= -18000,
 })
 
 minetest.register_ore({
@@ -146,4 +146,4 @@ minetest.register_ore({
 	height_max     = 28000,
 	height_min     = -255,
 })
-end
\ No newline at end of file
+end