diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 1304758..ce626e5 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,17 +18,13 @@ jobs:
         env:
           HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
           PULL_REQUEST: ${{ github.event.pull_request.number }}
-        run: brew pr-pull --debug --no-autosquash --tap=$GITHUB_REPOSITORY $PULL_REQUEST
-
-      - id: vars
-        run: |
-          echo "::set-output name=target_branch::$(echo ${{ github.base_ref}}  | cut -d/ -f3)"
+        run: brew pr-pull --debug --no-autosquash --tap=$GITHUB_REPOSITORY $PULL_REQUEST ${{ github.base_ref }}
 
       - name: Push commits
         uses: Homebrew/actions/git-try-push@master
         with:
           token: ${{ github.token }}
-          branch: ${{ steps.vars.outputs.target_branch }}
+          branch: ${{ github.base_ref }}
 
       - name: Delete branch
         if: github.event.pull_request.head.repo.fork == false