diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index 3cf97240ae..5499693f2f 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -38,7 +38,7 @@ jobs:
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           git add .
-          git commit -m "Add markdown changes"
+          git diff-index --quiet HEAD || git commit -m "Add markdown changes"
 
       - name: Push changes
         uses: ad-m/github-push-action@master