diff --git a/app.arc b/app.arc
index 69bcaff7f..b277a7d65 100644
--- a/app.arc
+++ b/app.arc
@@ -15,7 +15,7 @@ support
 
 @scheduled
 ads
-  cron 0 8 * * MON *
+  cron 0 8 ? * MON *
   src build/scheduled/ads
 circulars
   rate 1 day