diff --git a/mods/ITEMS/mcl_blackstone/init.lua b/mods/ITEMS/mcl_blackstone/init.lua
index ba89c2fa9..3f8e9334f 100644
--- a/mods/ITEMS/mcl_blackstone/init.lua
+++ b/mods/ITEMS/mcl_blackstone/init.lua
@@ -186,10 +186,10 @@ minetest.registered_nodes["mcl_fire:fire"].on_construct=function(pos)
 end
 
 --slabs/stairs
-mcl_stairs.register_stair_and_slab_simple("blackstone", "mcl_blackstone:blackstone", "Blackstone Stair", "Blackstone Slab", "Double Blackstone Slab")
-mcl_stairs.register_stair_and_slab_simple("blackstone_polished", "mcl_blackstone:blackstone_polished", "Polished Blackstone Stair", "Polished Blackstone Slab", "Polished Double Blackstone Slab")
-mcl_stairs.register_stair_and_slab_simple("blackstone_chiseled_polished", "mcl_blackstone:blackstone_chiseled_polished", "Chiseled Polished Blackstone Stair", "Chiseled Polished Blackstone Slab", "Double Chiseled Polished Blackstone Slab")
-mcl_stairs.register_stair_and_slab_simple("blackstone_brick_polished", "mcl_blackstone:blackstone_brick_polished", "Polished Blackstone Brick Stair", "Polished Blackstone Brick Slab", "Double Polished Blackstone Brick Slab")
+mcl_stairs.register_stair_and_slab_simple("blackstone", "mcl_blackstone:blackstone", S("Blackstone Stair"), S("Blackstone Slab"), S("Double Blackstone Slab"))
+mcl_stairs.register_stair_and_slab_simple("blackstone_polished", "mcl_blackstone:blackstone_polished", S("Polished Blackstone Stair"), S("Polished Blackstone Slab"), S("Polished Double Blackstone Slab"))
+mcl_stairs.register_stair_and_slab_simple("blackstone_chiseled_polished", "mcl_blackstone:blackstone_chiseled_polished", S("Chiseled Polished Blackstone Stair"), S("Chiseled Polished Blackstone Slab"), S("Double Chiseled Polished Blackstone Slab"))
+mcl_stairs.register_stair_and_slab_simple("blackstone_brick_polished", "mcl_blackstone:blackstone_brick_polished", S("Polished Blackstone Brick Stair"), S("Polished Blackstone Brick Slab"), S("Double Polished Blackstone Brick Slab"))
 
 --Wall
 mcl_walls.register_wall("mcl_blackstone:wall", S("Blackstone Wall"), "mcl_blackstone:blackstone")