diff --git a/.github/workflows/publish-commit-bottles.yml b/.github/workflows/publish-commit-bottles.yml
index 348e9bf2fadcd..455c5a5fbdd59 100644
--- a/.github/workflows/publish-commit-bottles.yml
+++ b/.github/workflows/publish-commit-bottles.yml
@@ -344,6 +344,7 @@ jobs:
           HOMEBREW_GPG_PASSPHRASE: ${{ secrets.BREWTESTBOT_GPG_SIGNING_SUBKEY_PASSPHRASE }}
           HOMEBREW_GITHUB_PACKAGES_USER: brewtestbot
           HOMEBREW_GITHUB_PACKAGES_TOKEN: ${{secrets.HOMEBREW_CORE_GITHUB_PACKAGES_TOKEN}}
+          REPO_PATH: ${{steps.set-up-homebrew.outputs.repository-path}}
         run: |
           # Don't quote arguments that might be empty; this causes errors when `brew`
           # interprets them as empty arguments when we want `brew` to ignore them instead.
@@ -354,7 +355,7 @@ jobs:
             ${{inputs.warn_on_upload_failure && '--warn-on-upload-failure' || ''}} \
             "$PR"
 
-          echo "head_sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
+          echo "head_sha=$(git -C "$REPO_PATH" rev-parse HEAD)" >> "$GITHUB_OUTPUT"
 
       - name: Push commits
         uses: Homebrew/actions/git-try-push@master