diff --git a/.github/workflows/merge-acm-flow.yaml b/.github/workflows/merge-acm-flow.yaml
index a0290c4..c667539 100644
--- a/.github/workflows/merge-acm-flow.yaml
+++ b/.github/workflows/merge-acm-flow.yaml
@@ -269,10 +269,15 @@ jobs:
         continue-on-error: true
         id: slack-message
         run: |
-          if [ ${{ steps.pr-exists.outputs.pr_exists }} != '1' ] || [ ${{ steps.fork-sync.outputs.status }} == "uptodate" ] || [ ${{ steps.fork-sync.outputs.status }} == "ahead" ] ; then
+          if [ "${{ steps.pr-exists.outputs.pr_exists }}" == "1" ]; then
+            PR_URL="${{ steps.pr-exists.outputs.pr_url }}"
+          else
+            PR_URL="${{ steps.create-pr.outputs.pull-request-url }}"
+          fi
+          if [ "${{ steps.fork-sync.outputs.status }}" == "uptodate" ] || [ "${{ steps.fork-sync.outputs.status }}" == "ahead" ]; then
             echo "message=${{ inputs.downstream }} is already ${{ steps.fork-sync.outputs.status }} with tag ${{ steps.org.outputs.downstream-version }}." >> $GITHUB_OUTPUT
           else
-            echo "message=PR ${{ steps.create-pr.outputs.pull-request-url }} || ${{ steps.pr-exists.outputs.pr_url }} has been ${{ steps.create-pr.outputs.pull-request-operation || 'updated' }}." >> $GITHUB_OUTPUT
+            echo "message=PR $PR_URL has been ${{ steps.create-pr.outputs.pull-request-operation || 'updated' }}." >> $GITHUB_OUTPUT
           fi
       - uses: 8398a7/action-slack@v3
         if: github.event_name != 'pull_request' && (success() || steps.fork-sync.outputs.status == 'uptodate' || steps.fork-sync.outputs.status == 'ahead' || steps.pr-exists.outputs.pr_exists == '1')