diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 2e0fce7d..a5550569 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -99,7 +99,7 @@ jobs:
           gitHubToken: ${{ secrets.GITHUB_TOKEN }}
           # Optional: Switch what branch you are publishing to.
           # By default this will be the branch which triggered this workflow
-          branch: ${{ if eq(github.ref, 'refs/heads/dev') }}dev{{ else }}refs/pull/${{ github.event.number }}/merge{{ endif }}
+          branch: ${{ github.ref == 'refs/heads/dev' && 'dev' || format('refs/pull/{0}/merge', github.event.number) }}
           # Optional: Change the working directory
           workingDirectory: apps/www
           wranglerVersion: '3'