diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index efe0103..9207d6a 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -56,6 +56,6 @@ jobs:
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.IMAGE_NAME }}
+          subject-name: docker.io/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true