diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 09bddef1..feb4a99f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -256,7 +256,7 @@ jobs:
         with:
           rechunk: 'ghcr.io/hhd-dev/rechunk:v0.8.3'
           ref: 'raw-img'
-          prev-ref: ${{ steps.generate-prev-ref.outputs.ref }}
+          prev-ref: '${{ steps.generate-prev-ref.outputs.ref }}'
           version: '${{ steps.generate-version.outputs.tag }}'
           labels: |
             io.artifacthub.package.logo-url=https://raw.githubusercontent.com/ublue-os/bazzite/main/repo_content/logo.png