diff --git a/stairsplus/custom.lua b/stairsplus/custom.lua
index 961d1ea..6b7bb5e 100644
--- a/stairsplus/custom.lua
+++ b/stairsplus/custom.lua
@@ -94,4 +94,5 @@ function stairsplus:register_custom_subset(subset, modname, subname, recipeitem,
 	end
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
+	circular_saw.microblocks[modname.. ":micro_" .. subname] = {modname, subname}
 end