diff --git a/data/lua/wml/items.lua b/data/lua/wml/items.lua
index 931967a526b..1cc31c150d8 100644
--- a/data/lua/wml/items.lua
+++ b/data/lua/wml/items.lua
@@ -19,7 +19,8 @@ local function add_overlay(x, y, cfg)
 			filter_team = cfg.filter_team,
 			visible_in_fog = cfg.visible_in_fog,
 			redraw = cfg.redraw,
-			name = cfg.name
+			name = cfg.name,
+			z_order = cfg.z_order,
 		})
 end