diff --git a/.github/workflows/weekly-ubuntu-ci.yml b/.github/workflows/weekly-ubuntu-ci.yml
index 88552436..42d8e6cf 100644
--- a/.github/workflows/weekly-ubuntu-ci.yml
+++ b/.github/workflows/weekly-ubuntu-ci.yml
@@ -3,7 +3,7 @@ name: Fast DDS Gen Ubuntu CI (weekly)
 on:
   workflow_dispatch:
   schedule:
-    - cron: '0 * * * 1' # Run at minute 0 on Monday
+    - cron: '0 0 * * 1' # Run at minute 0 on Monday
 
 jobs:
   weekly-ubuntu-ci-2_1_x: