diff --git a/mods/MAPGEN/mcl_mapgen_core/init.lua b/mods/MAPGEN/mcl_mapgen_core/init.lua
index 50798ba75..e3c649ce8 100644
--- a/mods/MAPGEN/mcl_mapgen_core/init.lua
+++ b/mods/MAPGEN/mcl_mapgen_core/init.lua
@@ -36,6 +36,8 @@ minetest.register_alias("mapgen_ice", "mcl_core:ice")
 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
 minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth")
 minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstone")
+minetest.register_alias("mapgen_stair_sandstone_block", "stairs:stair_sandstone")
+minetest.register_alias("mapgen_stair_desert_stone", "stairs:stair_sandstone")
 
 --
 -- Ore generation