diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index aaad02f..12849f8 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -2,7 +2,7 @@ name: Nightly
 
 on:
   schedule:
-    - cron: '0 0 3 ? * SUN *' # At 03:00:00am, on every Sunday, every month. Not enough churn to turn nightlies on.
+    - cron: '0 3 * * 0' # At 03:00:00am, on every Sunday, every month. Not enough churn to turn nightlies on.
 
 jobs:
   release: