diff --git a/stairsplus/microblocks.lua b/stairsplus/microblocks.lua
index 07e16a2..c5e6c63 100644
--- a/stairsplus/microblocks.lua
+++ b/stairsplus/microblocks.lua
@@ -110,6 +110,12 @@ function stairsplus:register_micro(modname, subname, recipeitem, fields)
 		recipe = {modname .. ":slab_" .. subname},
 	})
 	
+	minetest.register_craft({
+		type = "shapeless",
+		output = modname .. ":micro_" .. subname .. " 4",
+		recipe = {modname .. ":stair_" .. subname .. "_alt"},
+	})
+	
 	minetest.register_craft({
 		type = "shapeless",
 		output = modname .. ":micro_" .. subname .. " 3",