diff --git a/code/modules/research/techweb/all_nodes.dm b/code/modules/research/techweb/all_nodes.dm
index 7dcbb6775a..40fc27a166 100644
--- a/code/modules/research/techweb/all_nodes.dm
+++ b/code/modules/research/techweb/all_nodes.dm
@@ -49,7 +49,7 @@
 	display_name = "Biological Technology"
 	description = "What makes us tick."	//the MC, silly!
 	prereq_ids = list("base")
-	design_ids = list("chem_heater", "chem_master", "chem_dispenser", "sleeper", "vr_sleeper", "pandemic", "defibmount", "operating", "soda_dispenser", "beer_dispenser", "healthanalyzer")
+	design_ids = list("chem_heater", "chem_master", "chem_dispenser", "sleeper", "vr_sleeper", "pandemic", "defibmount", "operating", "soda_dispenser", "beer_dispenser", "healthanalyzer", blood_bag)
 	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 2500)
 	export_price = 5000