diff --git a/stairsplus/registrations.lua b/stairsplus/registrations.lua
index c6111c4..ee658da 100644
--- a/stairsplus/registrations.lua
+++ b/stairsplus/registrations.lua
@@ -30,6 +30,7 @@ local default_nodes = { -- Default stairs/slabs/panels/microblocks:
 	"stonebrick",
 	"desert_stonebrick",
 	"sandstonebrick",
+	"obsidianbrick",
 }
 
 for _, name in pairs(default_nodes) do