diff --git a/data/lua/wml/animate_unit.lua b/data/lua/wml/animate_unit.lua
index a72c8e5326d1..1637fd965794 100644
--- a/data/lua/wml/animate_unit.lua
+++ b/data/lua/wml/animate_unit.lua
@@ -102,7 +102,7 @@ local function add_animation(anim, cfg)
 		})
 	end
 
-	for c in helper.child_range("animate") do
+	for c in helper.child_range(cfg, "animate") do
 		add_animation(anim, c)
 	end
 end