diff --git a/.github/workflows/build_bench.yml b/.github/workflows/build_bench.yml
index 4ae610d0..f50cfdfd 100644
--- a/.github/workflows/build_bench.yml
+++ b/.github/workflows/build_bench.yml
@@ -35,7 +35,7 @@ jobs:
         uses: docker/bake-action@v1.7.0
         with:
           targets: bench-test
-          set: "*.platform=${{ github.event_name != 'pull_request' ? \"['linux/amd64','linux/arm64']\" : \"['linux/amd64']\" }}"
+          set: "*.platform=${{ github.event_name != 'pull_request' && 'linux/amd64,linux/arm64' || 'linux/amd64' }}"
 
       - name: Login
         if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}