diff --git a/edge-apps/tfl-bus-status/screenly.yml b/edge-apps/tfl-bus-status/screenly.yml
index 731b3ee8..9d394d2a 100644
--- a/edge-apps/tfl-bus-status/screenly.yml
+++ b/edge-apps/tfl-bus-status/screenly.yml
@@ -1,5 +1,6 @@
 ---
 app_id:
+installation_id:
 user_version: v1.0.0
 description: |
   Displays TFL Bus Status for a given bus stop.