diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 00e5d97..27a26aa 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -1,5 +1,4 @@
 name: Build documentation
-
 on:
   push:
     branches: [ master ]
@@ -33,9 +32,9 @@ jobs:
 
     - name: Deploy to GitHub Pages
       uses: peaceiris/actions-gh-pages@v4
-      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
       with:
         publish_branch: gh-pages
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: _build/
-        force_orphan: true
\ No newline at end of file
+        force_orphan: true