diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index f2c783d654..f353d4c8f0 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
-          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
 
       - name: Setup Bun
         uses: ./.github/actions/setup-bun
@@ -29,3 +29,4 @@ jobs:
           ./script/format.ts
         env:
           CI: true
+          PUSH_BRANCH: ${{ github.event.pull_request.head.ref || github.ref_name }}
diff --git a/script/format.ts b/script/format.ts
index f5a54a57fc..2ae93f169c 100755
--- a/script/format.ts
+++ b/script/format.ts
@@ -9,5 +9,6 @@ if (process.env["CI"] && (await $`git status --porcelain`.text())) {
   await $`git config --local user.name "GitHub Action"`
   await $`git add -A`
   await $`git commit -m "chore: format code"`
-  await $`git push --no-verify`
+  const branch = process.env["PUSH_BRANCH"]
+  await $`git push origin HEAD:${branch} --no-verify`
 }