diff --git a/code/game/objects/items/devices/transfer_valve.dm b/code/game/objects/items/devices/transfer_valve.dm
index 67c4209d80c..87bb870d72d 100644
--- a/code/game/objects/items/devices/transfer_valve.dm
+++ b/code/game/objects/items/devices/transfer_valve.dm
@@ -91,7 +91,7 @@
 /obj/item/transfer_valve/tgui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = TRUE, datum/tgui/master_ui = null, datum/tgui_state/state = GLOB.tgui_inventory_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)
-		ui = new(user, src, ui_key, "TransferValve",  name, 460, 280, master_ui, state)
+		ui = new(user, src, ui_key, "TransferValve",  name, 460, 320, master_ui, state)
 		ui.open()
 
 /obj/item/transfer_valve/tgui_data(mob/user)