diff --git a/code/modules/research/designs/bluespace_designs.dm b/code/modules/research/designs/bluespace_designs.dm
index 50418cff..37186bfd 100644
--- a/code/modules/research/designs/bluespace_designs.dm
+++ b/code/modules/research/designs/bluespace_designs.dm
@@ -90,7 +90,7 @@
 	desc = "A pipe that teleports gases."
 	id = "bluespace_pipe"
 	build_type = PROTOLATHE
-	materials = list(/datum/material/gold = 1000, /datum/material/diamond = 750, /datum/material/uranium = 250, /datum/material/bluespace = 2000)
+	materials = list(MAT_GOLD = 250 = 1000, MAT_DIAMOND = 750, MAT_URANIUM = 250, MAT_BLUESPACE = 2000)
 	build_path = /obj/item/pipe/bluespace
 	category = list("Bluespace Designs")
 	departmental_flags = DEPARTMENTAL_FLAG_SCIENCE | DEPARTMENTAL_FLAG_ENGINEERING