diff --git a/code/controllers/subsystems/tgui.dm b/code/controllers/subsystems/tgui.dm
index b8e36038117..51459ccfc5d 100644
--- a/code/controllers/subsystems/tgui.dm
+++ b/code/controllers/subsystems/tgui.dm
@@ -35,7 +35,7 @@ SUBSYSTEM_DEF(tgui)
 	close_all_uis()
 
 /datum/controller/subsystem/tgui/stat_entry()
-	..("P:[all_uis]")
+	..("P:[all_uis.len]")
 
 /datum/controller/subsystem/tgui/fire(resumed = 0)
 	if(!resumed)