diff --git a/.github/workflows/build-site.yaml b/.github/workflows/build-site.yaml
index 67f4481..1fc4afe 100644
--- a/.github/workflows/build-site.yaml
+++ b/.github/workflows/build-site.yaml
@@ -70,7 +70,7 @@ jobs:
 
       - name: 🚀 deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: ${{ !env.ACT }}
+        if: ${{ !env.ACT && github.ref == 'refs/heads/master'}}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./_site