diff --git a/.github/workflows/regression-report.yml b/.github/workflows/regression-report.yml
index 651c29088f4..5d6725e1d70 100644
--- a/.github/workflows/regression-report.yml
+++ b/.github/workflows/regression-report.yml
@@ -20,6 +20,9 @@ env:
 on:
   issue_comment:
     types: [ created ]
+  pull_request:
+    types:
+      - opened
 
 permissions:
   contents: read
@@ -56,9 +59,6 @@ jobs:
               content: 'rocket'
             })
 
-      - run: 'echo We print it here for this action to work'
-        if: 'true'
-
       - name: Checkout repository
         uses: actions/checkout@v4
 
@@ -115,18 +115,23 @@ jobs:
       || needs.parse_comment.outputs.projects_link != ''
     outputs:
       message: ${{ steps.out.outputs.message }}
+      download_files_failed: ${{ steps.download_files.outputs.failed }}
     steps:
 
       - name: Download checkstyle
         uses: actions/checkout@v4
 
       - name: Download files
+        id: download_files
         env:
           DIFF_CONFIG_LINK: ${{ needs.parse_comment.outputs.config_link }}
           DIFF_PROJECTS_LINK: ${{ needs.parse_comment.outputs.projects_link }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          ./.ci/diff-report.sh download-files
+          if ! ./.ci/diff-report.sh download-files; then
+            ./.ci/append-to-github-output.sh "failed" "true"
+            exit 1
+          fi
 
       # set main checkstyle repo as an upstream
       # Diff report will be generated taking upstream's master branch as a base branch
@@ -219,11 +224,15 @@ jobs:
       - name: Get message
         env:
           MSG: ${{ needs.make_report.outputs.message }}
+          DOWNLOAD_FAILED: ${{ needs.make_report.outputs.download_files_failed }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           mkdir -p .ci-temp
-          if [ -z "$MSG" ]; then
-            JOBS_LINK="https://github.com/checkstyle/checkstyle/actions/runs/${{github.run_id}}"
+          JOBS_LINK="https://github.com/checkstyle/checkstyle/actions/runs/${{github.run_id}}"
+          if [ "$DOWNLOAD_FAILED" == "true" ]; then
+            echo "Report generation failed. Please use 'GitHub, generate report for" \
+                 "check_name/example_type'<br>Link: $JOBS_LINK" > .ci-temp/message
+          elif [ -z "$MSG" ]; then
             API_LINK="https://api.github.com/repos/checkstyle/checkstyle/actions/runs/"
             API_LINK="${API_LINK}${{github.run_id}}/jobs"