diff --git a/stairsplus/registrations.lua b/stairsplus/registrations.lua
index 1e86954..dc89234 100644
--- a/stairsplus/registrations.lua
+++ b/stairsplus/registrations.lua
@@ -71,6 +71,8 @@ for _, name in pairs(default_nodes) do
 	mod = "moreblocks"
 	stairsplus:register_all(mod, name, nodename, ndef)
 	minetest.register_alias_force("stairs:stair_" .. name, mod .. ":stair_" .. name)
+	minetest.register_alias_force("stairs:stair_outer_" .. name, mod .. ":stair_" .. name .. "_outer")
+	minetest.register_alias_force("stairs:stair_inner_" .. name, mod .. ":stair_" .. name .. "_inner")
 	minetest.register_alias_force("stairs:slab_"  .. name, mod .. ":slab_"  .. name)
 end
 
@@ -86,6 +88,8 @@ if minetest.get_modpath("farming") then
 		mod = "moreblocks"
 		stairsplus:register_all(mod, name, nodename, ndef)
 		minetest.register_alias_force("stairs:stair_" .. name, mod .. ":stair_" .. name)
+		minetest.register_alias_force("stairs:stair_outer_" .. name, mod .. ":stair_" .. name .. "_outer")
+		minetest.register_alias_force("stairs:stair_inner_" .. name, mod .. ":stair_" .. name .. "_inner")
 		minetest.register_alias_force("stairs:slab_"  .. name, mod .. ":slab_"  .. name)
 	end
 end