diff --git a/.github/workflows/auto_messages_pot.yml b/.github/workflows/auto_messages_pot.yml
index 18e5c00..d058ca6 100644
--- a/.github/workflows/auto_messages_pot.yml
+++ b/.github/workflows/auto_messages_pot.yml
@@ -30,7 +30,11 @@ jobs:
           cd tools/readme_generator/
           pybabel extract --ignore-dirs venv -F babel.cfg -o messages.pot .
 
+          HAS_DIFF=$(python .github/diff_pot_files.py tools/readme_generator/messages.pot.old tools/readme_generator/messages.pot)
+          echo "HAS_DIFF=$HAS_DIFF" >> $GITHUB_ENV
+
       - name: Create Pull Request
+        if: ${{ env.HAS_DIFF == 'true' }}
         uses: peter-evans/create-pull-request@v6
         with:
           token: ${{ secrets.GITHUB_TOKEN }}