diff --git a/.gitea/workflows/pr-docker-deploy.yml b/.gitea/workflows/pr-docker-deploy.yml
index 68ed0e1..31e0e40 100644
--- a/.gitea/workflows/pr-docker-deploy.yml
+++ b/.gitea/workflows/pr-docker-deploy.yml
@@ -170,7 +170,7 @@ jobs:
     needs: [generate-service-list]
     runs-on: ubuntu-latest
     outputs:
-      compose_file_list: ${{ steps.compose_file_list.outputs.compose_list }}
+      compose_file_list: "${{ steps.compose_file_list.outputs.compose_list }}"
     env:
       VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
       VAULT_TOKEN: ${{ secrets.VAULT_GITEA_TOKEN }}