diff --git a/.github/workflows/check-demo-consistency.yml b/.github/workflows/check-demo-consistency.yml
index 766fde064c..48496d7e25 100644
--- a/.github/workflows/check-demo-consistency.yml
+++ b/.github/workflows/check-demo-consistency.yml
@@ -18,7 +18,7 @@ jobs:
       
       - name: Check for file edits
         run: |
-          FILES_CHANGED=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }})
+          FILES_CHANGED=$(git diff --name-only origin/main..HEAD)
 
           # Check if process-compose.yaml is edited
           if echo "$FILES_CHANGED" | grep -q "process-compose.yml"; then