diff --git a/.github/workflows/post-agenda-sofa-dev-meeting.yml b/.github/workflows/post-agenda-sofa-dev-meeting.yml
index 52a634a6cef..9d6561daf7a 100644
--- a/.github/workflows/post-agenda-sofa-dev-meeting.yml
+++ b/.github/workflows/post-agenda-sofa-dev-meeting.yml
@@ -23,7 +23,7 @@ jobs:
 
       # Monday message : agenda
       - name: Run script post-discord-message.py
-        if: ${{ github.event.scheduled_time | date('%-u') == '1' }}
+        if: github.event.schedule == '30 7 * * 1'
         run: |
           python scripts/discord/post-discord-message.py
         working-directory: ${{ github.workspace }}
@@ -37,7 +37,7 @@ jobs:
 
       # Wednesday message : get ready
       - name: Run script post-discord-message.py
-        if: ${{ github.event.scheduled_time | date('%-u') == '3' }}
+        if: github.event.schedule == '0 6 * * 3'
         run: |
           python scripts/discord/post-discord-message.py
         working-directory: ${{ github.workspace }}