diff --git a/.gitea/workflows/demo.yaml b/.gitea/workflows/demo.yaml
index 0cb7e4c..4c20a97 100644
--- a/.gitea/workflows/demo.yaml
+++ b/.gitea/workflows/demo.yaml
@@ -35,6 +35,7 @@ jobs:
           password: ${{ secrets.REGISTRY_PASSWORD }}
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v3
+        if: ${{ github.ref == 'refs/heads/master' }}
       - name: Extract Docker metadata
         id: meta
         uses: docker/metadata-action@v2