diff --git a/code/controllers/subsystem/tgui.dm b/code/controllers/subsystem/tgui.dm
index 91b5e56be0a..c2633c3023a 100644
--- a/code/controllers/subsystem/tgui.dm
+++ b/code/controllers/subsystem/tgui.dm
@@ -171,7 +171,7 @@ SUBSYSTEM_DEF(tgui)
  */
 /datum/controller/subsystem/tgui/proc/get_open_ui(mob/user, datum/src_object)
 	// No UIs opened for this src_object
-	if(!LAZYLEN(src_object.open_uis))
+	if(!LAZYLEN(src_object?.open_uis))
 		return null
 	for(var/datum/tgui/ui in src_object.open_uis)
 		// Make sure we have the right user
@@ -190,7 +190,7 @@ SUBSYSTEM_DEF(tgui)
  */
 /datum/controller/subsystem/tgui/proc/update_uis(datum/src_object)
 	// No UIs opened for this src_object
-	if(!LAZYLEN(src_object.open_uis))
+	if(!LAZYLEN(src_object?.open_uis))
 		return 0
 	var/count = 0
 	for(var/datum/tgui/ui in src_object.open_uis)
@@ -211,7 +211,7 @@ SUBSYSTEM_DEF(tgui)
  */
 /datum/controller/subsystem/tgui/proc/close_uis(datum/src_object)
 	// No UIs opened for this src_object
-	if(!LAZYLEN(src_object.open_uis))
+	if(!LAZYLEN(src_object?.open_uis))
 		return 0
 	var/count = 0
 	for(var/datum/tgui/ui in src_object.open_uis)