diff --git a/code/controllers/subsystem/tgui.dm b/code/controllers/subsystem/tgui.dm
index 47094b7def7..5eb4d09aa3a 100644
--- a/code/controllers/subsystem/tgui.dm
+++ b/code/controllers/subsystem/tgui.dm
@@ -27,6 +27,13 @@ SUBSYSTEM_DEF(tgui)
 /datum/controller/subsystem/tgui/stat_entry()
 	..("P:[processing_uis.len]")
 
+/datum/controller/subsystem/tgui/get_metrics()
+	. = ..()
+	var/list/cust = list()
+	cust["processing"] = length(processing_uis)
+	.["custom"] = cust
+
+
 /datum/controller/subsystem/tgui/fire(resumed = 0)
 	if (!resumed)
 		src.currentrun = processing_uis.Copy()