diff --git a/code/_onclick/hud/hud.dm b/code/_onclick/hud/hud.dm
index 8477a46033a..c94347b4427 100644
--- a/code/_onclick/hud/hud.dm
+++ b/code/_onclick/hud/hud.dm
@@ -345,6 +345,7 @@ GLOBAL_LIST_INIT(available_ui_styles, list(
 			if(always_visible_inventory.len)
 				screenmob.client.screen += always_visible_inventory
 			if(open_containers.len && screenmob == mymob) // Don't show open inventories to ghosts
+				list_clear_nulls(open_containers)
 				screenmob.client.screen += open_containers
 			screenmob.client.screen += toggle_palette