diff --git a/.github/workflows/build-site-metadata.yml b/.github/workflows/build-site-metadata.yml
index 323bc7a..fa8c0f1 100644
--- a/.github/workflows/build-site-metadata.yml
+++ b/.github/workflows/build-site-metadata.yml
@@ -12,16 +12,33 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref }}
+          ref: ${{ github.event.pull_request.head.repo.fork && github.sha || github.head_ref }}
 
       - name: Build Site Metadata
         run: npx --yes github:AdobeDocs/adp-devsite-utils buildSiteMetadata -v
 
+      - name: Check for changes
+        id: check_changes
+        run: |
+          if git diff --quiet HEAD -- src/pages/adp-site-metadata.json; then
+            echo "No changes to commit, skipping commit and push"
+            echo "changed=false" >> $GITHUB_OUTPUT
+          else
+            echo "changed=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Recommend building metadata locally
+        if: github.event.pull_request.head.repo.fork == true && steps.check_changes.outputs.changed == 'true'
+        run: |
+          echo "::error::This PR is from a fork. Please run 'npm run buildSiteMetadata' locally and commit the updated src/pages/adp-site-metadata.json file."
+          exit 1
+
       - name: Commit and push if changed
+        if: steps.check_changes.outputs.changed == 'true' && github.event.pull_request.head.repo.full_name == github.repository
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add src/pages/adp-site-metadata.json
-          git diff --cached --quiet || git commit -m "Generate site metadata"
+          git commit -m "Generate site metadata"
           git pull --rebase
           git push