diff --git a/content/u/advent-calendar/teaser/contents.lr b/content/u/advent-calendar/teaser/contents.lr
index f11295b..6c1c7e2 100644
--- a/content/u/advent-calendar/teaser/contents.lr
+++ b/content/u/advent-calendar/teaser/contents.lr
@@ -1,3 +1,5 @@
+_model: product
+---
 _discoverable: yes
 ---
 _hidden: no