diff --git a/.github/workflows/release-container.yml b/.github/workflows/release-container.yml
index 1f1254d23..48f826f12 100644
--- a/.github/workflows/release-container.yml
+++ b/.github/workflows/release-container.yml
@@ -82,8 +82,8 @@ jobs:
         if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         run: |
           cosign --verbose=true sign --yes --key cosign.key \
-            -a "repo=${{ github.repository }}"
-            -a "ref=${{ github.ref }}"
+            -a "repo=${{ github.repository }}" \
+            -a "ref=${{ github.ref }}" \
             ${{ env.REGISTRY }}/${{ env.IMAGE }}:${{ steps.push_image.outputs.digest }}
         env:
           COSIGN_PASSWORD: ${{ secrets.COSIGN_PWD }}