diff --git a/code/game/objects/items/robot/robot_upgrades.dm b/code/game/objects/items/robot/robot_upgrades.dm
index 56af03139a..28a93a7a83 100644
--- a/code/game/objects/items/robot/robot_upgrades.dm
+++ b/code/game/objects/items/robot/robot_upgrades.dm
@@ -462,7 +462,7 @@
 	desc = "An upgrade to the Medical module's hypospray, containing \
 		stronger versions of existing chemicals."
 	additional_reagents = list(/datum/reagent/medicine/oxandrolone, /datum/reagent/medicine/sal_acid,
-								/datum/reagent/medicine/rezadone, /datum/reagent/medicine/pen_acid)
+								/datum/reagent/medicine/rezadone, /datum/reagent/medicine/pen_acid, /datum/reagent/medicine/prussian_blue)
 
 /obj/item/borg/upgrade/piercing_hypospray
 	name = "cyborg piercing hypospray"