diff --git a/.forgejo/workflows/build-image.yaml b/.forgejo/workflows/build-image.yaml
index b5ed79b..d3cba2a 100644
--- a/.forgejo/workflows/build-image.yaml
+++ b/.forgejo/workflows/build-image.yaml
@@ -88,9 +88,9 @@ jobs:
       - name: 'Log in to registry'
         uses: 'actions/podman-login@v1'
         with:
-          registry: ${{ vars.REGISTRY_DOMAIN }}
-          username: ${{ vars.REGISTRY_USERNAME }}
-          password: ${{ secrets.REGISTRY_PASSWORD }}
+          registry: '${{ vars.REGISTRY_DOMAIN }}'
+          username: '${{ vars.REGISTRY_USERNAME }}'
+          password: '${{ secrets.REGISTRY_PASSWORD }}'
           auth_file_path: '$HOME/.config/containers/auth.json'
 
       - name: 'Move :ci-dev to :stable'