diff --git a/.github/workflows/on-pr.yml b/.github/workflows/on-pr.yml
index afc5528..a8e367f 100644
--- a/.github/workflows/on-pr.yml
+++ b/.github/workflows/on-pr.yml
@@ -25,7 +25,7 @@ on:
       - ".github/workflows/tests.yml"
       - "**"
   schedule:
-    - cron: "0 13 * * *" # Must be single quotes!!
+    - cron: '0 13 * * *' # Must be single quotes!!
 
 jobs:
   trigger-tests: