diff --git a/.github/workflows/buildx.yml b/.github/workflows/buildx.yml
index eaa528d..cd4e106 100644
--- a/.github/workflows/buildx.yml
+++ b/.github/workflows/buildx.yml
@@ -26,6 +26,7 @@ jobs:
           echo "${{ secrets.DOCKER_PASSWORD }}" | \
             docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
       - name: build and push the image
+        if: startsWith(github.ref, 'refs/heads/main')
         run: |
           docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
           docker buildx ls