diff --git a/code/game/objects/items/devices/transfer_valve.dm b/code/game/objects/items/devices/transfer_valve.dm
index 468d7730..f41c3d64 100644
--- a/code/game/objects/items/devices/transfer_valve.dm
+++ b/code/game/objects/items/devices/transfer_valve.dm
@@ -9,6 +9,7 @@
 	var/mob/attacher = null
 	var/valve_open = 0
 	var/toggle = 1
+	matter = list("metal" = 1250)
 
 /obj/item/device/transfer_valve/proc/process_activation(var/obj/item/device/D)