diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 949bfdb..332d0bc 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -9,7 +9,7 @@ jobs:
       uses: actions/github-script@v4
       with:
         script: |
-          const tag = "v" + github.ref.substring(19)
+          const tag = "v" + "${{ github.ref }}".substring(19)
           const rel = github.repos.getReleaseByTag({
             owner: context.repo.owner,
             repo: context.repo.repo,
@@ -39,7 +39,7 @@ jobs:
       uses: actions/github-script@v4
       with:
         script: |
-          const tag = "v" + github.ref.substring(19)
+          const tag = "v" + "${{ github.ref }}".substring(19)
           const rel = github.repos.getReleaseByTag({
             owner: context.repo.owner,
             repo: context.repo.repo,